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Calculators, converters and generators that run right in your browser, no sign-up, no ads in your way, nothing tracked. 561 tools and growing.
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๐ Unit Converters Length, weight, temperature, data ๐ข Math & Numbers Percentages, fractions, ratios, stats ๐ฐ Finance & Money Loans, EMI, interest, tax, tips โค๏ธ Health & Fitness BMI, calories, body metrics โ๏ธ Text Tools Count, convert case, transform ๐ SEO Tools Meta tags, schema, SERP preview ๐ ๏ธ Developer Tools JSON, Base64, hash, regex, encoders ๐จ Color Tools Pickers, converters, palettes, contrast โก Generators Passwords, QR, UUID, lorem ipsum ๐ผ๏ธ Image Tools Resize, compress, convert, crop ๐ Education & Grades GPA, grades, study tools ๐
Date & Time Age, durations, countdowns ๐๏ธ Construction & Home Concrete, paint, flooring, area
๐Unit Converters
View all โ ๐ Length Converter Free length converter for metres, kilometres, miles, feet, inches, centimetres and more. Convert between metric and imperial units instantly. ๐ก๏ธ Temperature Converter Free temperature converter for Celsius, Fahrenheit and Kelvin. Convert C to F, F to C and C to K instantly, with the exact formulas and a handy reference chart. โ๏ธ Weight Converter Free weight converter for kg to lbs, pounds to kg, grams to ounces and stone to pounds. Switch between metric and imperial mass units with exact factors. ๐ Angle Converter Free angle converter for degrees to radians, gradians, arcminutes, arcseconds and revolutions. Type in any field and every other unit updates instantly. ๐ Area Converter Free area converter for square feet to square meters, acres to hectares, and more. Type in any unit and the rest update instantly using exact conversion factors. ๐ฅ Cooking Measurement Converter Free cooking measurement converter. Switch between cups, tablespoons, teaspoons, fluid ounces, pints, quarts, ml and litres instantly. US customary units. ๐พ Data Storage Converter Free data storage converter for bits, bytes, KB, MB, GB, TB and PB. Convert MB to GB or bytes to KB instantly, with both decimal (1000) and binary (1024) units. ๐ถ Data Transfer Rate Converter Free data transfer rate converter: turn Mbps to MB/s, kbps, Gbps and bytes per second instantly. Convert any bandwidth or download speed unit accurately. ๐งช Density Converter Free density converter for kg/mยณ, g/cmยณ, g/ml, lb/ftยณ, and lb/inยณ. Type a value in any field and every other unit updates instantly with no rounding fuss. โก Energy Converter Free energy converter: switch between joules, kilojoules, calories, kilocalories, watt-hours, kWh, BTU, electronvolts and foot-pounds. Type once to update all. ๐ช Force Converter Free force converter for newtons, kilonewtons, dyne, kgf, lbf and ozf. Convert newtons to pounds-force or kgf to N instantly by typing in any one field. ๐ก Frequency Converter Free frequency converter for Hz, kHz, MHz, GHz, THz and rpm units. Type any value and every other field updates instantly through hertz. Accurate, no signup. โฝ Fuel Economy Converter Free fuel economy converter for MPG (US), MPG (UK), L/100km, and km/L. Type any value to see the rest instantly, with worked examples and reference charts. ๐ก Illuminance Converter Free illuminance converter: switch between lux and foot-candles instantly. 1 foot-candle equals 10.7639 lux. Convert lux, fc, phot and kilolux online. โก Power Converter Free power converter for watts, kilowatts, megawatts, horsepower, metric horsepower, BTU per hour and ft-lb/s. Type any field and the rest update instantly. ๐ก๏ธ Pressure Converter Free pressure converter for psi to bar, pascal to psi, kPa, atm and mmHg (torr). Type in any field and every other unit updates instantly, all in your browser. ๐ Ring Size Converter Free ring size converter: convert between US, UK, EU ring sizes plus inner diameter and circumference in mm using an accurate built-in ring size chart. ๐๏ธ Roman Numeral Converter Free Roman numeral converter. Turn any number from 1 to 3999 into Roman numerals, or convert Roman numerals back to a number, with instant two-way validation. ๐ Shoe Size Converter Free shoe size converter for men and women: convert US to EU, UK and CM foot length using standard size charts to quickly find your fit across brands. ๐ Speed Converter Free speed converter for mph, km/h, knots, m/s and ft/s. Type in any field and every other unit updates instantly using exact, standard conversion factors. โฑ๏ธ Time Converter Free time converter: switch between milliseconds, seconds, minutes, hours, days, weeks, and years. Type in any field and every other unit updates instantly. ๐ Tire Size Calculator Free tire size calculator: enter width, aspect ratio and rim to get diameter, sidewall, circumference and revs per mile or km, plus a speedometer comparison. ๐ง Torque Converter Free torque converter: switch between Nยทm, kNยทm, ftยทlb, inยทlb and kgfยทm. Type any value and every other unit updates instantly using exact conversion factors. ๐งช Volume Converter Free volume converter for liters to gallons, ml to cups, tablespoons and fluid ounces. Type in any unit and the rest update instantly with exact US factors. ๐ Wire Gauge Converter Free wire gauge converter: turn any AWG number into conductor diameter in mm and inches plus cross-section area, or measure a wire to find its nearest gauge.
๐ขMath & Numbers
View all โ ๏ผ
Percentage Calculator Free percentage calculator. Find what percent of a number, increase/decrease by a percent, and the percentage difference between two values, instantly. โ Absolute Value Calculator Free absolute value calculator: find |x|, the distance of a number from zero. Enter one number or a whole list to get the modulus of each value instantly. ๐ข Antilog Calculator Free antilog calculator: find the antilogarithm b^x for any base. Enter a number and a base (10, e, or 2) to instantly invert a logarithm with worked steps. ๐ Area Calculator Free area calculator for rectangles, squares, triangles, circles, trapezoids and parallelograms. Pick a shape, enter dimensions, and get the area instantly. ๐ข Arithmetic Sequence Calculator Free arithmetic sequence calculator: enter the first term, common difference, and term count to find the nth term, the sum of the series, and list every term. ๐ Average Calculator Free average calculator: paste a list of numbers to get the mean, median, mode, sum, count, min, max, and range instantly. Handles multiple modes and even data sets. ๐ Average Percentage Calculator Free average percentage calculator. Average a list of percentages with a simple mean, or weight each by sample size for an accurate, true overall percentage. ๐งฎ Basic Calculator Free online basic calculator with plus, minus, times and divide, plus percent, decimal and sign keys. Add, subtract, multiply and divide right in your browser. ๐ข Binary Calculator Free binary calculator to add, subtract, multiply and divide binary numbers. Enter two binary values, pick an operation and get both binary and decimal results. โญ Circle Calculator Free circle calculator: enter any one of radius, diameter, circumference, or area and instantly get the other three. Uses ฯrยฒ and 2ฯr, with worked examples. ๐ Coefficient of Variation Calculator Free coefficient of variation calculator. Paste your data to get the mean, sample and population standard deviation, and the CV (relative standard deviation) %. ๐ข Collatz Conjecture Calculator Free Collatz conjecture calculator. Enter any positive integer to generate the 3n+1 sequence, the number of steps to reach 1, and the highest value reached. ๐ข Combinations with Repetition Calculator Free combinations with repetition calculator. Find the multiset coefficient C(n+r-1, r) using the stars and bars method, and compare it to the standard nCr. ๐งฎ Complex Number Calculator Free complex number calculator: add, subtract, multiply or divide two complex numbers (a+bi) and get the result plus its modulus and argument instantly. โ๏ธ Cross Multiplication Calculator Free cross multiplication calculator. Solve a/b = c/x proportions by cross multiplying: leave one box blank and get the missing value with clear steps shown. ๐งฎ Cubic Equation Solver Free cubic equation solver: enter a, b, c and d to solve axยณ + bxยฒ + cx + d = 0 and get up to three real or complex roots instantly, with the steps explained. โ Decimal to Fraction Converter Free decimal to fraction converter. Convert any decimal into a fraction in lowest terms, see the mixed number form, and reverse it back to a decimal instantly. ๐ข Digit Sum Calculator Free digit sum calculator: add up the digits of any number, find the digital root, and count the digits. Handles negatives and very large integers instantly. ๐ข Discriminant Calculator Free discriminant calculator. Enter a, b and c to compute the quadratic discriminant b squared minus 4ac and instantly see the number and nature of the roots. ๐ Distance Calculator Free distance formula calculator. Enter two points (x1, y1) and (x2, y2) to find the straight-line distance and the midpoint, with every step shown clearly. ๐ข Exponent Calculator Free exponent calculator: enter a base and an exponent (negative and decimal values allowed) to get base raised to the power instantly, with expanded form. ๐ Exponential Growth Calculator Free exponential growth and decay calculator. Enter an initial value, growth rate percent and number of periods to get the final amount and total change. โ Factorial Calculator Free factorial calculator. Enter a non-negative integer n to get n! computed exactly with BigInt, plus the expansion for small n. Runs in your browser. ๐ Fibonacci Calculator Free Fibonacci calculator: enter n to list the first n Fibonacci numbers and find the nth term. Uses BigInt for exact results on large n. No rounding errors. โ Fraction Calculator Free fraction calculator to add, subtract, multiply, and divide fractions. Get the answer as a fully simplified fraction, a mixed number, and a decimal. ๐ข Fraction to Percent Calculator Free fraction to percent calculator: convert any fraction to a percentage and decimal, or turn a percent back into a fraction in lowest terms, with steps. ๐ข GCF and LCM Calculator Free GCF and LCM calculator: enter any list of whole numbers to find the greatest common factor and least common multiple instantly, with the method shown. ๐ Geometric Mean Calculator Free geometric mean calculator: enter positive numbers to get the geometric mean (the nth root of their product) plus the arithmetic mean for comparison. ๐ข Geometric Sequence Calculator Free geometric sequence calculator: enter first term, common ratio, and term count to get the nth term, sum of n terms, the full term list, and infinite sum. ๐ Golden Ratio Calculator Free golden ratio calculator: enter one part and get the longer part, shorter part, and total split by phi (1.618) instantly for design and layout work. ๐ต Harmonic Mean Calculator Free harmonic mean calculator: enter positive numbers to get the harmonic mean instantly, plus the arithmetic and geometric means shown for easy comparison. ๐ Triangle Area (Heron) Calculator Free Heron's formula calculator: find a triangle's area from its three sides (SSS). Enter sides a, b and c to get the area, perimeter and the full working. ๐ Interquartile Range Calculator Free interquartile range (IQR) calculator. Enter your data set to find Q1, Q2 (median), Q3 and the IQR, and flag any outliers using the 1.5 x IQR rule. ๐งฎ Logarithm Calculator Free log calculator. Find the logarithm of a number to any base, plus the natural log (ln) and base-2 log instantly. Enter a number and base to start. โ Long Division Calculator Free long division calculator: enter a dividend and divisor to get the quotient, remainder and exact decimal result, plus the full step-by-step working below. ๐ข Matrix Calculator Free 2x2 matrix calculator. Find the determinant (ad - bc), the inverse, or multiply two 2x2 matrices, with clear step-by-step working for every result. ๐ Mean Absolute Deviation Calculator Free mean absolute deviation calculator. Enter a list of numbers to get the mean, each absolute deviation, and the MAD with full step-by-step working shown. ๐ Midpoint Calculator Free midpoint calculator: enter two points (x1,y1) and (x2,y2) to find the midpoint and the distance between them, with the midpoint formula and clear steps. ๐ Midrange Calculator Free midrange calculator: enter a list of numbers to get the midrange, the midpoint of the highest and lowest values, plus the min, max, range and mean. ๐ข Mixed Number Calculator Free mixed number calculator: convert a mixed number to an improper fraction and decimal, or turn an improper fraction back into a mixed number in lowest terms. โ Modulo Calculator Free modulo calculator: enter a dividend and divisor to find the remainder, quotient, and the always-positive modulo, with clear handling of negative numbers. โ๏ธ Multiplication Table Generator Free multiplication table generator: make a times table for any number or a full grid. Clean, printable layout for study, homework and classroom practice. โ Nth Root Calculator Free nth root calculator: enter a number and a root degree to find the cube root, fourth root, or any nth root, with clear step-by-step working shown. ๐ข Number Sorter Free number sorter: paste a list of numbers and sort them ascending or descending numerically. Get the min, max, count and sum, remove duplicates, and copy. ๐ข Number to Words Converter Free number to words converter. Spell any number in English, write decimals and cheque amounts in dollars and cents, or get ordinals, instantly in your browser. ๐ฒ Odds Calculator Free odds calculator: convert odds to probability and probability to odds both ways. See implied probability percent and decimal odds from any ratio instantly. ๐บ Pascal Triangle Generator Free Pascal triangle generator: build the first N rows online, see each entry as a binomial coefficient C(n, k), and copy the triangle as text or CSV. ๐ Percent Difference Calculator Free percent difference calculator. Enter two values to get the percentage difference relative to their average, plus the absolute difference and the mean. ๐ฏ Percent Error Calculator Free percent error calculator: enter your measured and actual values to get the percent error and absolute error instantly, with formula and worked examples. % Percent to Decimal Converter Convert percent to decimal and decimal to percent instantly with this free two-way calculator. See the simple rule: divide by 100 or move the point two places. ๐ Percentage Change Calculator Free percentage change calculator. Enter an old and new value to see the percent increase or decrease, the direction, and the raw difference instantly. ๐ฅง Percentage of Total Calculator Free percentage of total calculator: find what percent a part is of a total, or list each value as a percent of the sum, with the sum shown instantly. ๐ Percentile Calculator Free percentile calculator: find the value at any percentile of your data using linear interpolation, or get the percentile rank of a number. Shows sorted data. โ Perfect Square Checker Free perfect square checker: enter a whole number to see if it is a perfect square, get its exact square root, the nearest perfect squares, and a cube check. ๐ Perimeter Calculator Free perimeter calculator for a rectangle, square, triangle, circle and regular polygon. Enter the dimensions to get the perimeter or circumference instantly. ๐ข Permutation and Combination Calculator Free permutation and combination calculator. Enter n and r to find nPr and nCr instantly, with exact whole-number results, worked examples, and formulas. ๐ฅง Digits of Pi See the digits of pi to any number of decimal places, up to 1000. Pick how many places you want, read the exact value of pi, and copy the full pi digits list. ๐งฎ Prime Factorization Calculator Free prime factorization calculator: enter an integer and get its prime factors in power form like 60 = 2^2 x 3 x 5, plus a full list of all divisors instantly. ๐ข Prime Number Checker Free prime number checker. Enter any whole number to instantly test if it is prime, see its factors and prime factorization, and list all primes up to a limit. ๐ฒ Probability Calculator Free probability calculator: find the chance of a single event, plus P(A and B) and P(A or B) for two independent events from probabilities or percents. โ๏ธ Proportion Calculator Free proportion calculator: solve A/B = C/D for any missing value. Enter three numbers, leave one blank, and see the cross-multiplication steps to find x. ๐งฎ Quadratic Formula Solver Free quadratic formula solver. Enter a, b and c to solve axยฒ + bx + c = 0. See the discriminant, real or complex roots, and the worked steps instantly. โ Ratio Calculator Free ratio calculator: simplify any ratio A:B to its lowest terms, or solve a proportion A:B = C:D for the missing value. Instant, step-by-step results. ๐ Reciprocal Calculator Free reciprocal calculator: find the multiplicative inverse of any number or fraction. Enter a value to get 1 over x as a decimal and a reduced fraction. โ RMS Calculator Free RMS calculator: enter numbers to get the root mean square (quadratic mean) plus the arithmetic mean for comparison, with clear step-by-step working. ๐ข Rounding Calculator Free rounding calculator: round any number to the nearest whole, to N decimal places, to the nearest 10, 100 or 1000, or round up or down. See the rule applied. ๐งฎ Scientific Calculator Free online scientific calculator with sin, cos, tan, log, ln, powers, roots, factorial, pi and e. Build expressions with parentheses and get instant results. ๐ฌ Scientific Notation Converter Free scientific notation converter. Turn any decimal into scientific notation, E notation and engineering notation, or expand notation back to standard form. ๐ข Significant Figures Calculator Free significant figures calculator: count the sig figs in any number, see which digits count, and round to a chosen number of significant figures fast. ๐งฎ Simultaneous Equation Solver Free simultaneous equation solver for two-variable linear systems. Enter six coefficients to solve a1x+b1y=c1 and a2x+b2y=c2 by Cramer rule with full steps. ๐ Slope Calculator Free slope calculator. Enter two points to find the slope (gradient), the line equation y = mx + b, the distance between the points, and the angle of incline. ๐ Slope Intercept Calculator Free slope intercept form calculator. Enter two points to get slope m, y-intercept b, and the line equation y = mx + b, with full step-by-step working. โ Square Root Calculator Free square root calculator: type any number to get its square root (sqrt) and cube root instantly. Handles decimals and negatives, with worked examples. ๐ Standard Deviation Calculator Free standard deviation calculator: paste your numbers to get the count, mean, variance, and both sample (n-1) and population (n) standard deviation instantly. โ Sum Calculator Free sum calculator: paste a list of numbers and instantly get the total, count, average, minimum, maximum and product. Handles decimals and negatives. ฮฃ Sum of Squares Calculator Free sum of squares calculator. Paste a list of numbers to get the algebraic sum of squares, the total sum of squared deviations from the mean, plus the count. ๐ฆ Surface Area Calculator Free surface area calculator for a cube, box, sphere, cylinder and cone. Enter the dimensions for the total surface area instantly, plus the formula used. ๐ Right Triangle Calculator Free right triangle calculator. Enter any two sides (legs a, b or hypotenuse c) to find the third with the Pythagorean theorem, plus area and both angles. ๐ Trigonometry Calculator Free trigonometry calculator: enter an angle in degrees or radians to get sin, cos, tan, csc, sec and cot, or use inverse mode to find the angle from a ratio. ๐ฆ Volume Calculator Free volume calculator for 3D shapes. Find the volume of a cube, box, sphere, cylinder, cone, or pyramid by entering the dimensions. See the exact formula used. โ๏ธ Weighted Average Calculator Free weighted average calculator: enter values and weights to get the weighted mean instantly. Compares against the simple average and shows your total weight. ๐ Z-Score Calculator Free z-score calculator: enter a raw value, mean and standard deviation to find the standard score and see how many standard deviations it is from the mean.
๐ฐFinance & Money
View all โ ๐ฆ Loan EMI Calculator Free loan EMI calculator. Enter loan amount, interest rate and tenure to get your monthly EMI, total interest and full repayment breakdown using the reducing-balance formula. ๐ต Tip Calculator Free tip calculator: enter your bill, pick a tip percentage, and split the total between any number of people. See the tip, total, and per-person share instantly. ๐ช 401k Calculator Free 401(k) calculator: project your retirement balance from your salary, contribution percent, employer match and expected return over the years ahead. ๐ Amortization Calculator Free amortization calculator: enter loan amount, rate and term to build a full amortization schedule with monthly payment, interest, principal and balance. ๐ฐ Annual Income Calculator Free annual income calculator. Convert pay between hourly, daily, weekly, biweekly, monthly and yearly. Enter any figure with hours and weeks to see the rest. ๐ฐ Annuity Calculator Free annuity calculator: enter payment, rate per period and number of periods to get present value and future value for ordinary and annuity-due payments. ๐ APR Calculator Free APR calculator: enter loan amount, fees, nominal rate and term to find the annual percentage rate, the true yearly cost of a loan once fees are included. ๐ APY Calculator Free APY calculator: convert a nominal annual rate and compounding frequency into the true annual percentage yield, plus the interest your balance earns. ๐ Auto Loan Calculator Free auto loan calculator: enter vehicle price, down payment, trade-in, sales tax and APR to get your monthly car payment, total interest and total loan cost. ๐งพ Bill Split Calculator Free bill split calculator: divide a bill among friends evenly or by custom shares, add a tip percent, and see each person's share plus the grand total. ๐ก Biweekly Mortgage Calculator Free biweekly mortgage calculator: compare biweekly vs monthly payments to see how many years and how much interest you save by paying your loan faster. โ๏ธ Break Even Calculator Free break-even calculator. Enter fixed costs, variable cost per unit and price to find your break-even point in units and revenue, plus contribution margin. ๐งฎ 50/30/20 Budget Calculator Free 50/30/20 budget calculator. Enter your monthly take-home pay to split it into 50% needs, 30% wants and 20% savings, and edit the percentages to fit you. ๐ฆ Bulk Discount Calculator Free bulk discount calculator: enter unit price, quantity and a discount percent to get the subtotal, discount amount, final total and effective price per unit. ๐ CAGR Calculator Free CAGR calculator: enter a beginning value, ending value, and number of years to get the compound annual growth rate, plus total growth, instantly. ๐ข Cap Rate Calculator Free cap rate calculator for real estate. Enter net operating income and property value to get the capitalization rate, or solve for value at a target cap rate. ๐ Cash on Cash Return Calculator Free cash-on-cash return calculator: enter annual pre-tax cash flow and total cash invested to get your CoC return percent instantly for any rental property. ๐ฆ CD Calculator Free CD calculator: enter your deposit, rate, term and compounding to find the maturity value, interest earned and effective APY on a certificate of deposit. ๐ College Savings Calculator Free college savings calculator. Project current savings plus monthly contributions to college start, inflate the cost, and see your surplus or shortfall fast. ๐ผ Commission Calculator Free sales commission calculator: enter a sale amount and commission rate to get your commission instantly, add a base salary, and see your total pay fast. ๐ Compound Interest Calculator Free compound interest calculator: enter a principal, annual rate, years, and compounding frequency to see the final amount and total interest earned instantly. ๐ Contribution Margin Calculator Free contribution margin calculator: enter unit price and variable cost to get margin per unit, the contribution margin ratio, and total contribution. ๐ Cost Per Mile Calculator Free cost per mile calculator. Enter fuel price and economy to get your driving cost per mile, add maintenance per mile, and find the total cost of a trip. ๐ท๏ธ Cost Plus Pricing Calculator Free cost-plus pricing calculator: enter your unit cost and markup percent to get the selling price, profit per unit, and resulting profit margin instantly. ๐ฑ๏ธ CPC Calculator Free CPC calculator: enter any two of total cost, clicks and cost per click to solve the third. Adds CTR and CPM from impressions for fast PPC ad math. ๐ CPM Calculator Free CPM calculator: enter any two of cost, impressions, or CPM and instantly solve for the third. CPM is the advertising cost per 1,000 ad impressions. ๐ณ Credit Card Payoff Calculator Free credit card payoff calculator: enter your balance, APR and fixed monthly payment to see how many months to pay off and the total interest you will pay. ๐ณ Credit Utilization Calculator Free credit utilization calculator: add each card balance and limit to get your overall utilization ratio, a rating, and how much to pay down to hit 30%. โ๏ธ Current Ratio Calculator Free current ratio calculator: divide current assets by current liabilities to measure short-term liquidity and see working capital and what the ratio means. โ๏ธ Debt Snowball Calculator Free debt snowball calculator: list your debts and budget, see the payoff order, months to debt-free, and total interest using the proven snowball method. โ๏ธ Debt to Equity Calculator Free debt-to-equity calculator. Enter total liabilities and shareholders equity to get your D/E ratio, percentage, and a clear leverage risk interpretation. โ๏ธ Debt to Income Ratio Calculator Free debt-to-income calculator: enter your monthly debt and gross income to get your DTI ratio percentage and a clear rating of good, caution, or high. ๐ Declining Balance Depreciation Calculator Free declining balance depreciation calculator: enter cost, salvage, useful life and factor to build a double declining balance depreciation schedule by year. ๐ท๏ธ Discount Calculator Free discount calculator: enter a price and percent off to see the sale price and how much you save. Stack a second discount to find the true combined saving. ๐ Dividend Yield Calculator Free dividend yield calculator: enter annual dividend per share and share price to get the dividend yield percentage, plus your yearly dividend income. ๐ท๏ธ Double Discount Calculator Free double discount calculator: apply two stacked discounts to any price and see the final price, total saved, and the true equivalent single discount percent. ๐ Down Payment Calculator Free down payment calculator: enter a home price and percent down to see your down payment amount and remaining loan. Compares 5%, 10%, and 20% tiers. ๐ EBITDA Calculator Free EBITDA calculator: add interest, taxes, depreciation and amortization back to net income to get EBITDA and the EBITDA margin from revenue instantly. ๐ Emergency Fund Calculator Free emergency fund calculator: multiply your monthly essential expenses by target months of coverage to find how much to save, then see your savings timeline. ๐ EPS Calculator Free EPS calculator: enter net income, preferred dividends and weighted average shares to find earnings per share instantly, with formula and worked examples. ๐งโ๐ป Freelance Rate Calculator Free freelance rate calculator: enter your target income, billable hours, weeks worked and overhead to get the hourly rate you need to charge to hit your goal. ๐ Future Value Calculator Free future value calculator. Enter present value, annual rate, years, compounding and contributions to project growth, total contributions and interest. ๐ธ Gross Up Calculator Free gross-up calculator: enter a desired net amount and total deduction rate to find the gross needed so take-home equals your target after deductions. ๐งพ GST Calculator Free GST calculator: add GST to a net price or remove GST from a GST-inclusive total. Enter the amount and rate to see the net, GST, and total instantly. ๐ก Home Affordability Calculator Free home affordability calculator using the 28/36 rule. Enter your income, debts, down payment and mortgage rate to see how much house you can afford. ๐ฐ Hourly to Salary Calculator Free hourly to salary calculator. Convert an hourly wage to weekly, monthly and annual gross pay, or a salary back to hourly, using your own hours and weeks. ๐ Interest Only Loan Calculator Free interest-only loan calculator. Enter loan amount, APR and the interest-only term to see your monthly interest payment, total interest and balance owed. ๐ฆ Inventory Turnover Calculator Free inventory turnover calculator: enter COGS and average inventory to get your inventory turnover ratio and days sales of inventory (DSI) instantly. โฐ Late Fee Calculator Free late fee calculator: add a flat fee or percentage of an overdue invoice plus optional daily or monthly interest to get the total charge and new balance. ๐ Car Lease Calculator Free car lease calculator: enter price, residual value, term and money factor to get your monthly lease payment with a full depreciation and finance breakdown. โ๏ธ Loan Comparison Calculator Free loan comparison calculator: compare two loans by amount, rate and term to see the monthly payment, total interest and which loan is cheaper overall. ๐ Loan to Value Calculator Free LTV calculator: enter your loan amount and property value, or price and down payment, to get your loan-to-value ratio and see how it affects PMI and rates. ๐ Profit Margin Calculator Free profit margin calculator: enter cost and selling price to get profit, gross margin %, and markup % instantly. See the difference between margin and markup. ๐ท๏ธ Markup Calculator Free markup calculator. Enter cost and markup percent to get the selling price and profit, or enter cost and price to find the markup percentage and margin. ๐ Markup to Margin Converter Free markup to margin converter. Turn any markup percent into a profit margin percent, or convert a margin back to markup, with the exact formula shown. ๐ฐ Minimum Wage Calculator Free minimum wage calculator: convert an hourly wage to weekly, monthly and yearly gross pay using your hours per week and weeks per year in just seconds. ๐ Mortgage Calculator Free mortgage calculator: enter home price, down payment, rate and term to see your monthly mortgage payment, total interest and full cost of the home loan. ๐ Mortgage Payoff Calculator Free mortgage payoff calculator. Add an extra monthly payment to see your new payoff date, months saved, and total interest saved versus your current schedule. ๐ Net Worth Calculator Free net worth calculator: list your assets and liabilities to see total assets minus total liabilities and your net worth, positive or negative, instantly. ๐ NPV Calculator Free NPV calculator: enter a discount rate, initial investment and yearly cash flows to get net present value, discounted cash flow and a clear verdict. โฑ๏ธ Overtime Pay Calculator Free overtime pay calculator: enter your hourly rate, regular hours, overtime hours and multiplier to get time and a half pay, overtime pay and gross total. โณ Payback Period Calculator Free payback period calculator: enter your initial investment and cash inflow to see how long it takes to break even, for even or uneven yearly cash flows. ๐ณ PayPal Fee Calculator Free PayPal fee calculator. Enter an amount to see the PayPal fee and what you receive, or work backwards to find the charge that nets your target amount. ๐ PE Ratio Calculator Free P/E ratio calculator: enter share price and EPS, or net income and shares, to get the price to earnings ratio plus the earnings yield in seconds. ๐ธ Present Value Calculator Free present value calculator: enter a future value, annual discount rate, years and compounding to find the present value of money and the total discount. ๐ Price Elasticity Calculator Free price elasticity of demand calculator using the midpoint method. Enter your old and new price and quantity to get PED and see if demand is elastic. ๐ท๏ธ Price Per Unit Calculator Free price per unit calculator: enter total price and quantity for each product, compare cost per unit instantly, and see which option is the cheapest value. ๐ Profit Calculator Free profit calculator: enter cost and revenue (and optional quantity) to instantly find profit, profit margin percent, markup percent, and ROI for any sale. ๐ Refinance Calculator Free mortgage refinance calculator. Compare your current loan to a new rate and term, see monthly savings, and find the break-even point on closing costs. ๐ Rent Affordability Calculator Free rent affordability calculator using the 30 percent rule. Enter your gross income to see how much rent you can afford, with 25%, 30% and 35% thresholds. ๐ Rental Yield Calculator Free rental yield calculator: enter property price, monthly rent and annual costs to get your gross and net rental yield instantly as clear percentages. ๐๏ธ Retirement Savings Calculator Free retirement savings calculator: project your nest egg from your age, current savings, monthly contributions and expected return with monthly compounding. ๐๏ธ Retirement Withdrawal Calculator Free retirement withdrawal calculator using the 4% rule. Enter your portfolio and safe withdrawal rate to see your annual and monthly income, or reverse it. ๐ ROAS Calculator Free ROAS calculator: enter ad revenue and ad spend to get your return on ad spend as a ratio and percent, plus the break-even ROAS your margin needs. ๐ ROE Calculator Free return on equity (ROE) calculator. Enter net income and shareholders equity to get your ROE percent instantly, plus a plain-English read on the result. ๐ ROI Calculator Free ROI calculator. Enter the amount invested and the final amount to get your return on investment percentage, net gain or loss, and the annualized ROI. ๐ฑ Roth IRA Calculator Free Roth IRA calculator: enter your balance, yearly contribution, years and expected return to project your tax-free retirement nest egg and total growth. โณ Rule of 72 Calculator Free Rule of 72 calculator: enter an interest rate to find the years to double your money, or enter years to find the rate needed, plus the exact math result. โ๏ธ Salary Comparison Calculator Compare two job offers side by side. Enter salary or hourly pay, bonus and benefits to see each annual package, effective hourly rate and the difference. ๐ Salary Raise Calculator Free salary raise calculator: enter your current pay and a raise percent or new salary to see your new salary, raise amount, percent, and monthly impact. ๐งพ Sales Tax Calculator Free sales tax and VAT calculator: enter an amount and a tax rate to see the tax and total. Reverse mode extracts the tax from a tax-inclusive price. ๐ฏ Savings Goal Calculator Free savings goal calculator. Enter your target, current savings, time frame and optional interest rate to find how much to save each month to reach it. ๐ท Savings Rate Calculator Free savings rate calculator: enter your income and what you save each period to get your savings percentage, yearly total, and how it compares to FIRE goals. ๐งฎ Simple Interest Calculator Free simple interest calculator: enter principal, annual rate, and time in years to see the interest earned and the total amount. Uses I = P ร R ร T รท 100. ๐ Straight Line Depreciation Calculator Free straight-line depreciation calculator. Enter asset cost, salvage value and useful life to get annual depreciation plus a full year-by-year schedule. ๐ Student Loan Calculator Free student loan calculator: enter your balance, APR and term for the monthly payment, total interest and total paid, plus interest saved from extra payments. ๐ Subscription Cost Calculator Free subscription cost calculator: add every plan, pick its billing cycle, and see your true monthly and yearly subscription spending added up in one place. ๐ Tithe Calculator Free tithe calculator: enter your income and a tithe percentage to see the tithe amount (10% by default) and what remains. Supports gross or net income. ๐ Zakat Calculator Free zakat calculator. Add your cash, gold, silver and investments, subtract debts, enter the nisab, and see the 2.5% zakat due on your net wealth instantly.
โค๏ธHealth & Fitness
View all โ โ๏ธ BMI Calculator Free BMI calculator for adults. Enter your height and weight in metric or imperial units to find your Body Mass Index and weight category instantly. โ๏ธ Adjusted Body Weight Calculator Free adjusted body weight calculator. Enter sex, height and weight to get ideal body weight (Devine) and adjusted body weight from the standard ABW formula. ๐บ Alcohol Units Calculator Free alcohol units calculator: enter your drink volume and ABV to get UK alcohol units, US standard drinks, grams of pure alcohol, and an estimate of drinks. ๐๏ธ Army Body Fat Calculator Free US Army body fat calculator using the AR 600-9 tape test. Enter waist, neck, height and hip to estimate body fat and check it against Army limits. ๐บ Blood Alcohol Calculator Free blood alcohol calculator: estimate your BAC from sex, body weight, standard drinks, and the hours since your first drink using the Widmark formula. ๐ฉบ Blood Pressure Category Free blood pressure category checker: enter your systolic and diastolic numbers to see if your BP is normal, elevated, stage 1, stage 2 or crisis per ACC/AHA. ๐ฅ BMR Calculator Free BMR calculator using the Mifflin-St Jeor equation. Enter sex, age, height and weight in metric or imperial to find your basal metabolic rate in kcal/day. ๐ Body Fat Calculator Free body fat calculator using the US Navy method. Enter height, neck, waist (and hip for women) to estimate your body fat percentage in metric or imperial. ๐ Body Frame Size Calculator Free body frame size calculator. Enter your sex, height and wrist size to find if you have a small, medium or large frame from the height-to-wrist ratio. ๐งฎ Body Surface Area Calculator Free body surface area calculator using the Mosteller formula. Enter height and weight in metric or imperial units to get your BSA in square meters fast. โ Caffeine Calculator Free caffeine calculator: enter your caffeine dose and hours elapsed to see how much caffeine stays in your system over time, based on a 5-hour half-life. ๐ Calorie Deficit Calculator Free calorie deficit calculator: enter your maintenance calories and a weekly weight loss goal to get the daily deficit and calorie target for losing weight. ๐ฅ Calories Burned Calculator Free calories burned calculator using MET values. Pick an activity, enter your weight and the minutes, and see how many calories you burned in exercise. ๐ฑ Cat Age Calculator Free cat age calculator: convert your cat years to human years instantly. Enter age in years and months to see the human equivalent and your cat life stage. ๐ Child Height Predictor Predict your child's adult height with the mid-parental method. Enter the sex plus mother and father height in cm or feet to get an estimate and range. ๐ซ Cholesterol Ratio Calculator Free cholesterol ratio calculator. Enter total, HDL and LDL cholesterol to get your total-to-HDL and LDL-to-HDL ratios with a general risk band in seconds. ๐คฐ Conception Date Calculator Free conception date calculator: estimate when you conceived from your last period (LMP) or due date, with a likely conception window. Quick and private. ๐ช Creatine Dosage Calculator Free creatine dosage calculator. Enter your body weight to get your daily loading dose split into four servings plus your maintenance dose, all in grams. ๐ด Cycling Calories Calculator Free cycling calories calculator. Enter your weight, ride duration and intensity to see calories burned cycling using research-based MET values for each pace. ๐ Dog Age Calculator Free dog age calculator: convert your dog age to human years with the modern AVMA-style method, adjusted for small, medium, or large breed size in seconds. ๐คฐ Pregnancy Due Date Calculator Free pregnancy due date calculator using the Naegele rule: enter your last period date and cycle length to get your estimated due date, week, and trimester. ๐พ Fiber Intake Calculator Free fiber intake calculator: find how much fiber you need per day by age, sex or calories. Get your daily fiber target in grams from trusted health guidelines. โ๏ธ Ideal Weight Calculator Free ideal weight calculator: enter sex and height (metric or imperial) to get a Devine-formula weight plus a healthy BMI-based range for your height. โฑ๏ธ Intermittent Fasting Calculator Free intermittent fasting calculator: pick 16:8, 18:6, 20:4 or OMAD, set your start time, and get your fasting window end and eating window schedule instantly. ๐ฅ Keto Macros Calculator Free keto macros calculator: turn your daily calorie target into grams of fat, protein and net carbs using standard keto ratios or a custom net carb cap. ๐ช Lean Body Mass Calculator Free lean body mass calculator using the Boer formula. Enter sex, weight and height in metric or imperial to find your LBM and body fat mass instantly. ๐ฅ Macro Calculator Free macro calculator: enter your daily calories and pick a goal to split them into grams of protein, carbs and fat. Balanced, low-carb or high-protein presets. โค๏ธ Max Heart Rate Calculator Free max heart rate calculator. Enter your age to estimate your maximum heart rate using both the classic 220 minus age and the Tanaka 208 - 0.7 x age formulas. ๐๏ธ One Rep Max Calculator Free one rep max calculator. Enter the weight and reps you lifted to estimate your 1RM with the Epley and Brzycki formulas, plus a training percentage table. ๐ธ Ovulation Calculator Free ovulation calculator: enter your last period date and cycle length to estimate your ovulation day and fertile window so you can plan or track conception. ๐ Pace Calculator Free running pace calculator: enter any two of distance, time, and pace to get the third, plus your speed in km/h and mph and finish times for 5K to marathon. ๐ฉธ Period Calculator Free period calculator: enter your last period and cycle length to predict your next period dates, ovulation day and estimated fertile window in seconds. ๐ Ponderal Index Calculator Free ponderal index calculator. Enter weight and height in metric or imperial units to get your corpulence index in kg/mยณ, a BMI alternative for tall people. ๐คฐ Pregnancy Trimester Calculator Free pregnancy trimester calculator: find out what trimester you are in, how many weeks pregnant you are, and the date range of each trimester from your LMP. ๐คฐ Pregnancy Weight Gain Calculator Free pregnancy weight gain calculator: enter your pre-pregnancy height, weight and current week to see the IOM recommended healthy weight gain range by BMI. ๐ Protein Intake Calculator Protein intake calculator: enter body weight and goal to estimate daily protein needs in grams, and see how much protein you need to maintain or build muscle. ๐ Race Time Predictor Predict your race time at a new distance with the Riegel formula. Enter a recent result and a target distance to get a predicted finish time and pace per km. ๐ Running Calories Calculator Free running calories calculator. Enter your weight and distance, add a pace if you like, and see calories burned running and the calories per mile instantly. ๐ด Sleep Calculator Free sleep calculator using 90-minute cycles. Enter your wake time to find the best bedtimes, or your bedtime to find ideal wake-up times for rested mornings. ๐ญ Smoking Cost Calculator Free smoking cost calculator: enter cigarettes per day, pack size and price to see the daily, monthly, yearly and 10-year cost, plus what quitting saves. ๐ Steps to Calories Calculator Free steps to calories calculator. Convert your step count into calories burned from weight, height and walking pace. See how many calories 10,000 steps burn. ๐ฌ Sugar Intake Calculator Free daily sugar intake calculator. Find your recommended added sugar limit in grams and teaspoons from your calories or sex, using WHO and AHA guidance. ๐ Swimming Calories Calculator Free swimming calories calculator: pick your stroke and intensity, enter weight and minutes, and see calories burned swimming using the validated MET formula. โค๏ธ Target Heart Rate Calculator Free target heart rate calculator. Enter your age (and resting pulse) to get your max heart rate and training zones from 50 to 85% using the Karvonen method. ๐ฅ TDEE Calculator Free TDEE calculator: enter sex, age, height, weight and activity level to find your maintenance calories plus rough cut and bulk targets. Uses Mifflin-St Jeor. ๐ซ VO2 Max Calculator Free VO2 max calculator. Estimate your aerobic fitness from resting and maximum heart rate using the Uth formula, then read off your VO2 max rating band. ๐ Waist to Hip Ratio Calculator Free waist to hip ratio calculator: enter your waist, hip and sex to instantly get your WHR plus the WHO health risk band, whether low, moderate or high. ๐ Waist to Height Ratio Calculator Free waist-to-height ratio calculator. Enter your waist and height in cm or inches to get your WHtR instantly, with a clear healthy or high-risk band. ๐ง Water Intake Calculator Free water intake calculator. Enter your body weight and exercise minutes to estimate how much water to drink each day in litres, US cups and fluid ounces. โฑ๏ธ Weight Loss Timeline Calculator Free weight loss timeline calculator: enter your current and goal weight plus a weekly rate to see how many weeks to lose it and your estimated goal date.
โ๏ธText Tools
View all โ ๐ค Word Counter Free word counter. Count words, characters, sentences and paragraphs in real time, with reading time and keyword density, all in your browser. ๐ข Number Formatter Add commas to numbers with this free number formatter. Insert thousands separators (comma, space, period), set decimal places, or strip separators back out. ๐ข Add Line Numbers Free add line numbers tool: prefix every line of your text with a sequential number. Choose the start number, separator, zero-padding, and skip blank lines. ๐งฝ Alternating Case Generator Free alternating case generator: turn any text into mocking SpongeBob aLtErNaTiNg caps. Choose upper or lower first, then copy your meme text in one click. ๐ค Anagram Checker Free anagram checker. Enter two words or phrases to see if they are anagrams, with sorted letter signatures and a side-by-side letter-count breakdown. ๐ก Atbash Cipher Free Atbash cipher tool: encode or decode any text instantly. Maps A to Z, B to Y and back, keeps your case and punctuation, and runs right in your browser. ๐ข Text to Binary Converter Free text to binary converter and binary to text translator. Turn text into 8-bit binary, or decode binary back to readable text instantly in your browser. ๐
ฑ๏ธ Bold Text Generator Free bold text generator. Turn normal letters into Unicode bold, italic and bold-italic you can copy into Instagram, TikTok and Twitter bios and captions. ๐ซง Bubble Text Generator Free bubble text generator: type any text and instantly get circled bubble letters in outline and filled styles, ready to copy and paste into any app. ๐ Caesar Cipher Free Caesar cipher encoder and decoder. Shift letters by 1 to 25 to encode or decode any text instantly, in your browser. Includes the ROT13 shift of 13 too. ๐ Capitalize Words Free capitalize each word tool. Convert text to title case, sentence case, or first letter only with a live preview and one-click copy. Works fully offline. ๐ก Case Converter Free case converter: paste text and switch it to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, or kebab-case instantly, then copy. ๐ค Programming Case Converter Free programming case converter: turn any text into camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and Title Case at once, with one-click copy. ๐ Word Occurrence Counter Free word occurrence counter: paste your text, enter a word or phrase, and count how many times it appears, with case-insensitive and whole-word options. โ๏ธ Cursive Text Generator Free cursive text generator. Turn plain letters into Unicode script and bold-script cursive you can copy and paste into Instagram, TikTok and Twitter bios. ๐ Duplicate Word Remover Free duplicate word remover. Paste text or a keyword list, drop repeated words while keeping the first, ignore case or punctuation, then copy the unique result. ๐ง Email Extractor Free email extractor: paste any text and instantly pull out every email address, deduplicated and listed one per line or by comma, with a quick copy button. ๐ข Extract Numbers Free tool to extract numbers from text: paste any text and instantly pull out every integer and decimal as a clean list, with the total count and sum to copy. ๐ URL Extractor Free URL extractor: paste any text and instantly pull out every http, https and www link, deduplicate them, list one per line and copy, or extract domains only. ๐ค Fancy Font Generator Free fancy font generator: turn plain text into bold, italic, script, cursive and more cool Unicode fonts you can copy and paste into your Instagram bio. ๐ Find and Replace Text Free find and replace text online. Paste your text, set find and replace terms, and bulk replace every match, with case-insensitive and whole-word options. ๐ Find Longest Word Free longest word finder: paste text to find the longest and shortest words, the average word length, total word count, and a list of the top longest words. ๐ค Initials Generator Free initials generator. Paste one name or a whole list and instantly get the initials from each name, with options for dots, spacing and first plus last only. ๐ป Invisible Character Generator Generate invisible blank Unicode characters like the zero-width space and braille blank, then copy a string of any length for usernames, bios and messages. ๐ Italic Text Generator Free italic text generator. Turn plain words into Unicode italic, bold italic and cursive script you can copy and paste into Instagram, TikTok and X bios. ๐ Justify Text Tool Free justify text tool: pad text to a fixed character width by spreading extra spaces between words so every line meets the width. Monospace output to copy. (โโฟโ) Kaomoji and Text Faces Browse and copy kaomoji and Japanese text faces by category. Search shrug, happy, bear, table flip and more, then click any face to copy it instantly. ๐ค Leetspeak Converter Free leetspeak converter. Translate text to 1337 with light or heavy modes, swap letters for numbers and symbols, decode leet back to text, then copy. ๐ค Letter Frequency Counter Free letter frequency counter: paste any text to count how often each letter (a-z) appears, showing counts, percentages, and most and least common letters. ๐ช Mirror Text Generator Free mirror text generator. Reverse your text and flip letters into mirror-image Unicode glyphs instantly. Backwards and reflected text, copy with one click. ๐ก Morse Code Translator Free Morse code translator. Convert text to Morse code and decode Morse back to text instantly, with full letters, digits and punctuation. Copy in one click. ๐ค NATO Phonetic Alphabet Translator Free NATO phonetic alphabet translator. Type any text and instantly see it spelled out in code words like Alpha, Bravo, Charlie, plus the spoken digits. ๐ Palindrome Checker Free palindrome checker: paste any word, phrase or number to test if it reads the same backwards. Toggle case, spaces and punctuation, see the cleaned result. ๐ท Pig Latin Translator Free Pig Latin translator: turn English into Pig Latin instantly. Vowel words take way, consonant words move the cluster and add ay. Punctuation kept, copy fast ๐ค Proper Case Converter Free proper case converter for names: capitalize names correctly with smart handling of van, de, von, Mc, Mac, O' prefixes, hyphens and Roman numerals. ๐ Readability Score Calculator Free readability calculator: paste your text to get the Flesch Reading Ease score and Flesch-Kincaid grade level, with word, sentence and syllable counts. ๐ค Remove Accents Tool Free remove accents tool: strip diacritics and accent marks from text instantly in your browser using Unicode NFD normalization. Live output and one-click copy. ๐งน Remove Duplicate Lines Free tool to remove duplicate lines from any list. Paste your text, choose case-insensitive matching, trim whitespace, keep order or sort, then copy unique lines. ๐งน Remove Emojis Free online tool to remove emojis from text. Strip emoji, flags and pictographic symbols instantly, then copy the clean result. 100% private, in your browser. โฃ Remove Extra Spaces Free remove extra spaces tool: collapse double spaces, trim whitespace on each line, convert tabs, and drop blank lines. Clean your text and copy it fast. โต Remove Line Breaks Free remove line breaks tool. Paste text, then strip newlines from copied PDFs or emails, replace them with a space or nothing, and keep paragraph breaks. ๐ Reverse Text Free reverse text tool: flip text backwards by characters, reverse the word order, or reverse each line. Paste your text, pick a mode, and copy the result instantly. ๐ ROT13 Encoder Free ROT13 encoder and decoder. Paste text to rotate every letter by 13 places, then run it again to decode. Live result, copy button, fully in your browser. ๐ ROT47 Encoder Free ROT47 encoder and decoder. Rotate printable ASCII by 47 to scramble or reveal text in your browser. ROT47 is its own inverse, so one tool does both. ๐ Shuffle Lines Free tool to shuffle lines of text into a random order using a secure Fisher-Yates shuffle seeded by crypto randomness. Re-shuffle, then copy the result. แด Small Caps Generator Free small caps generator: turn your text into Unicode small capital letters for Instagram, TikTok and Twitter bios. Copy the styled result in one tap. ๐ค Sort Text Lines Free tool to sort text lines alphabetically (A-Z or Z-A), by length, or numerically. Reverse the order, trim spaces, and remove duplicates, then copy the result. ๐ซ Strikethrough Text Generator Free strikethrough text generator. Cross out words with Unicode strikethrough, underline and slash styles, then copy the crossed-out text into chats and posts. ๐งน Strip HTML Tags Free strip HTML tags tool: paste any HTML, remove all tags, and get clean plain text. Collapse extra whitespace, keep line breaks, and copy with one click. โฐ Superscript and Subscript Generator Free superscript and subscript generator. Convert text and numbers into tiny Unicode super and subscript characters you can copy and paste anywhere instantly. ๐ค Syllable Counter Free syllable counter: paste any word, sentence or paragraph and instantly count syllables, words and the average syllables per word using a vowel-group rule. ๐งน Text Cleaner Free text cleaner to clean text online: strip HTML, remove extra spaces, line breaks and special characters, and fix smart quotes, all in your browser. ๐ Text Repeater Free text repeater: enter text, set how many times to repeat it, and pick a separator (none, space, new line, or comma). Copy the repeated string instantly. ๐ Text Statistics Free text statistics analyzer: paste text to count words, characters, sentences, paragraphs, unique words, average word length, plus reading and speaking time. ๐ Text to Speech Free text to speech tool: type or paste text, choose a voice, adjust rate and pitch, then read it aloud instantly in your browser. No upload, fully private. โจ๏ธ Typing Speed Test Free typing speed test: retype the sample sentence and instantly see your words per minute (WPM), typing accuracy and time. Restart with a new sentence anytime. ๏ผฟ Underline Text Generator Free underline text generator. Add Unicode underline, double underline and underlined strikethrough, then copy the underlined text into chats, bios and posts. ๐ฃ Unicode Character Lookup Free Unicode character lookup: paste text to see each character as a code point (U+XXXX), decimal code, and HTML entity, or reverse a code point to a character. ๐ Upside Down Text Generator Free upside down text generator. Type any text to flip it upside down and reverse it into copyable Unicode characters for social bios, usernames and chats. ๐ Vigenere Cipher Free Vigenere cipher encoder and decoder. Enter text and a keyword to encrypt or decrypt instantly. Preserves case and punctuation, runs fully in your browser. ๐ค Vowel and Consonant Counter Free vowel and consonant counter. Paste any text to count vowels, consonants, letters, digits and spaces instantly, with live totals and percentages for each. ๐ Wide Text Generator Free wide text generator: turn plain letters into fullwidth Unicode so your text looks w i d e. Copy aesthetic vaporwave text for bios, posts and usernames. ๐ Word Frequency Counter Free word frequency counter: paste text to see how often each word appears, ranked by count with keyword density percentages, total words, and unique words. โฉ๏ธ Word Wrap Tool Free word wrap tool to hard wrap text at a chosen character width. Greedy wrap breaks at spaces, with an optional hanging indent. Runs in your browser. ๐น Zalgo Text Generator Free Zalgo text generator that turns plain text into glitchy, cursed, corrupted letters. Drag the intensity slider, then copy your creepy zalgo text instantly.
๐SEO Tools
View all โ ๐ท๏ธ Meta Tag Generator Free meta tag generator: build title, meta description, canonical, Open Graph and Twitter Card tags from one form, with live length feedback as you type. ๐ Anchor Text Generator Free anchor text generator: build clean HTML link markup with nofollow, sponsored and target attributes, plus natural anchor text variations for better SEO. โ๏ธ Blog Title Generator Free blog title generator: turn any topic into catchy headline ideas using how-to, listicle, question and guide templates, with live character counts. ๐ Breadcrumb Schema Generator Free breadcrumb schema generator: add each level (name and URL) and get valid BreadcrumbList JSON-LD with auto positions, ready to paste into your page head. ๐ Canonical Tag Generator Free canonical tag generator. Paste any URL and get a clean, validated rel=canonical link tag for your <head>. Strips tracking params, all in your browser. #๏ธโฃ Hashtag Generator Free hashtag generator: turn any keyword or topic into relevant Instagram hashtags. Get camelCase and lowercase variations, a copyable block, and a live count. ๐ Hreflang Tag Generator Free hreflang tag generator. Add language-region codes and URLs to build valid rel="alternate" hreflang link tags plus x-default, then copy into your <head>. ๐ Htaccess Redirect Generator Free htaccess redirect generator. Build Apache 301 and 302 redirect rules, force www or non-www, and redirect HTTP to HTTPS, then copy ready-to-paste code. ๐งฉ Keyword Combiner Free keyword combiner: paste two or three lists and cross-combine every term into bulk keyword permutations, with ad match types and instant one-click copy. ๐ Keyword Density Checker Free keyword density checker. Paste content to see single words and 2- and 3-word phrases as counts and percentages of total words, with stop-word filtering. ๐ค llms.txt Generator Free llms.txt generator: build an llms.txt file that guides AI crawlers. Add a site name, summary, and sections of markdown links, then copy or download. ๐ช Local Business Schema Generator Free LocalBusiness JSON-LD generator. Add your name, type, address, phone, hours and geo to build valid local SEO schema markup you can copy and paste fast. ๐ Meta Description Checker Free meta description checker: count characters, get a Google-style snippet preview, and see if your description is too long over 160 or too short under 70. ๐ค Meta Robots Generator Free meta robots tag generator. Tick directives like noindex and nofollow to build the robots meta content string and a ready-to-paste meta tag, instantly. ๐ Open Graph Generator Free Open Graph generator. Fill in og:title, og:image, og:url and Twitter card fields to build social meta tags, with a live preview card and one-click copy. ๐ท๏ธ Product Schema Generator Free product schema generator. Build valid Product JSON-LD with offers and aggregateRating from a simple form, then copy the script for Google rich results. โฑ๏ธ Reading Time Calculator Reading time calculator: paste text or enter a word count to estimate reading time and speaking time at your chosen words per minute. Shows the word count too. ๐ณ Recipe Schema Generator Free recipe schema generator: build valid Recipe JSON-LD with ingredients, steps, ISO 8601 times and ratings to win recipe rich results in Google search. ๐ค Robots.txt Generator Free robots.txt generator. Set user-agent, add allow and disallow rules, a crawl-delay, and a sitemap URL, then copy a valid robots.txt file in one click. ๐ท๏ธ Schema Markup Generator Free schema markup generator. Pick FAQPage, Article, Product, LocalBusiness or Organization, fill the fields, and copy valid JSON-LD structured data instantly. ๐ SERP Snippet Preview Free SERP snippet preview tool. Paste your title, URL and meta description to see a live Google-style search result with character counts and warnings. ๐ Slug Generator Free URL slug generator: paste any title and get a clean, lowercase, hyphenated slug. Removes accents, spaces, and symbols. Live output with one-click copy. ๐ท๏ธ Title Tag Checker Free title tag checker: paste a page title to see its character count, approximate pixel width and a live Google preview, with a warning when it is too long. ๐ฆ Twitter Card Generator Free Twitter card generator. Build X card meta tags from a simple form, choose summary or summary_large_image, see a live preview card, and copy the markup. ๐บ๏ธ XML Sitemap Generator Free XML sitemap generator. Paste your URLs, one per line, and create a valid sitemap.xml with lastmod, changefreq and priority, ready to copy or download. ๐ท๏ธ YouTube Tag Generator Free YouTube tag generator: enter a topic and a few keywords to get a comma-separated list of relevant video tags, with a live count against the 500-char limit.
๐ ๏ธDeveloper Tools
View all โ ๐ค ASCII Table ASCII table with decimal, hex, octal and binary codes for all 128 characters. Search by code or character, see control-code names, and click to copy any value. ๐ Aspect Ratio Calculator Free aspect ratio calculator. Resize an image or video while keeping the same ratio, find a missing width or height, and reduce sizes like 1920x1080 to 16:9. ๐ Base32 Encoder Decoder Free Base32 encoder and decoder. Convert text to Base32 with the RFC 4648 alphabet (A-Z and 2-7) and padding, then decode it back to text in your browser. ๐ฃ Base58 Encoder Decoder Free Base58 encoder and decoder. Convert text to Base58 using the Bitcoin alphabet (no 0, O, I, or l), then decode it back to text right in your browser. ๐ค Base64 Encode Decode Free Base64 encoder and decoder. Convert text to Base64 and decode Base64 back to text, with full UTF-8 support, URL-safe output, and a copy button. Runs in your browser. ๐ Chmod Calculator Free chmod calculator: tick read, write, and execute for owner, group, and other to get the octal value (like 755) and symbolic string (rwxr-xr-x) instantly. ๐ณ Credit Card Validator Free credit card validator. Paste a number to run the Luhn checksum and detect the brand: Visa, Mastercard, Amex, Discover. Checks the maths only, in-browser. โฐ Cron Expression to Text Free cron expression to text translator. Paste a crontab line and get a plain English description plus a field-by-field breakdown, with range and step support. ๐๏ธ CSS Keyframes Animation Generator Free CSS animation generator: pick a keyframes preset (fade, slide, bounce, spin, pulse), set duration, timing, iterations and direction, then copy the CSS. ๐ CSS Clamp Generator Free CSS clamp() generator for fluid typography. Enter min and max font size plus viewport widths to get a responsive clamp() value in rem and vw to copy. ๐งฑ CSS Grid Generator Free CSS grid generator: set columns, rows and gap to build display:grid CSS with repeat() and fr units, see a live preview of the cells, and copy the layout. ๐จ CSS Minifier Free CSS minifier: paste your CSS to remove comments, collapse whitespace, and strip needless characters. See the size saved and copy the minified output. ๐ฏ CSS Specificity Calculator Free CSS specificity calculator. Paste any selector to get its (a, b, c) score, see how IDs, classes and elements stack up, and learn which rule actually wins. ๐๏ธ CSS Transition Generator Free CSS transition generator: set the property, duration, timing function and delay, then watch a live hover preview and copy the ready-to-use CSS code. ๐งฉ CSV to HTML Table Free CSV to HTML table converter. Paste CSV, pick a delimiter and header row, and get clean escaped thead/tbody markup with copy and a live rendered preview. ๐ CSV to JSON Free CSV to JSON converter. Paste CSV, pick a delimiter, and get a pretty-printed JSON array of objects. Handles quoted fields and commas inside quotes. ๐ CSV to Markdown Table Free CSV to Markdown table converter. Paste CSV, pick a delimiter and column alignment, and get a clean GitHub-flavored Markdown table to copy in one click. ๐ Discord Timestamp Generator Free Discord timestamp generator: pick a date and time to build the t:UNIX:STYLE chat code for every Discord style, with a live preview of how each renders. ๐ Flexbox Generator Free CSS flexbox generator with a live playground. Adjust flex-direction, justify-content, align-items, wrap and gap, then copy the generated flex layout CSS. ๐ Hash Generator Free online hash generator. Paste text and get SHA-1, SHA-256, and SHA-512 hex digests instantly, with one-click copy. Runs fully in your browser, nothing is uploaded. ๐ฃ Hex Dump Viewer Free hex dump viewer. Paste text to get a classic hexdump with an offset column, 16 hex byte columns and an ASCII gutter, encoded as UTF-8 bytes, in-browser. ๐ HMAC Generator Free online HMAC generator. Compute HMAC SHA-256, SHA-1, and SHA-512 hex digests from a message and secret key, fully in your browser with no data sent. ๐ฃ HTML Entity Encoder Free HTML entity encoder and decoder. Escape <, >, &, and quotes to safe entities, optionally encode all non-ASCII, then decode entities back to plain text. ๐๏ธ HTML Minifier Free HTML minifier. Paste HTML to remove comments, collapse whitespace, and trim gaps between tags. See original vs minified size and percent saved, then copy. ๐ HTML Table Generator Free HTML table generator: set rows, columns and headers, fill in the grid, then copy clean HTML table code with thead and tbody, plus a live preview. ๐ฆ HTTP Status Codes Free HTTP status code reference: search and browse every code from 1xx to 5xx with its name and meaning. Find out what a 404, 301, or 500 error means fast. ๐ IP Address Validator Free IP address validator. Check whether a string is a valid IPv4 or IPv6 address, see the version, IPv4 class, and whether it is private, public, or reserved. ๐ IP Subnet Calculator Free IP subnet calculator. Enter an IPv4 address and CIDR prefix to get the network address, broadcast, subnet mask, wildcard, usable host range and host count. ๐ JSON Diff Free JSON diff checker. Paste two JSON snippets to compare them and instantly see every added key, removed key and changed value, listed with its exact path. ๐ฃ JSON Escape Unescape Free JSON escape and unescape tool. Escape any string into a valid JSON string value, or unescape a JSON string back to raw text instantly in your browser. ๐งฉ JSON Formatter Free JSON formatter, validator and beautifier. Paste JSON to pretty-print with 2 or 4 space indent, minify to one line, or validate and see the exact parse error. ๐ค JSON Key Sorter Free JSON key sorter. Recursively sort JSON object keys alphabetically (A to Z or Z to A), preserve array order, pretty-print the result and copy it instantly. ๐๏ธ JSON to CSV Free JSON to CSV converter. Paste a JSON array of objects and get clean, properly quoted CSV you can copy or download. Runs in your browser, nothing uploaded. ๐งฉ JSON to TypeScript Free JSON to TypeScript interface generator. Paste a JSON object or array and instantly get clean TypeScript interfaces with inferred types and nested objects. ๐ JSON to XML Free JSON to XML converter. Paste JSON and convert to clean, escaped, pretty printed XML in your browser. Set a custom root and array item name. No upload. ๐ JSON to YAML Free JSON to YAML converter. Paste JSON and get clean, indented YAML instantly. Handles nested objects, arrays, and smart quoting. Runs in your browser. ๐ JWT Decoder Free JWT decoder. Paste a JSON Web Token to decode its header and payload, pretty-print the JSON, and read exp and iat dates. Runs in your browser, no upload. โจ๏ธ JavaScript Keycode Finder Free JavaScript keycode finder. Press any key to instantly see its event.key, event.code, legacy keyCode, location and the modifier keys being held down. ๐งฉ Lorem Ipsum HTML Generator Free Lorem Ipsum HTML generator: create placeholder content wrapped in real HTML tags, with headings, lists, blockquotes and links. Copy the source instantly. ๐ MAC Address Generator Free MAC address generator. Create random MAC addresses with colon, hyphen or dot formatting, upper or lowercase, set the locally-administered bit, copy in bulk ๐ Markdown Table Generator Free Markdown table generator. Fill an editable grid, set column alignment, and instantly get clean GitHub-flavored Markdown table syntax with a live preview. ๐ Markdown to HTML Free Markdown to HTML converter. Paste Markdown to instantly preview the rendered output and copy clean HTML: headings, bold, lists, links, code and more. ๐ MIME Type Reference Free MIME type lookup tool. Search any file extension or content type to find the matching MIME type for HTTP headers, web servers, and uploads. Click to copy. ๐ NanoID Generator Free NanoID generator: create short, URL-safe unique IDs from A-Za-z0-9_- using your browser crypto. Set the length and count, then copy each ID instantly. ๐ข Number Base Converter Free number base converter: type a number in binary, octal, decimal, or hex and the others update instantly. Binary to decimal, decimal to binary, and hex made easy. ๐ PX to REM Converter Free PX to REM converter for CSS. Convert pixels to rem and rem to px using any base font size (default 16px), see em values, with two-way live fields. ๐ Query String Parser Free URL query string parser. Paste a URL to list each parameter and its decoded value in a table, or build an encoded query string from key/value pairs. ๐ Regex Tester Free online regex tester. Enter a pattern, set g, i, m or s flags, and instantly see highlighted matches, capture groups and the match count in your browser. ๐ฅ๏ธ Screen Resolution Checker Free screen resolution checker. Instantly see your screen size, browser viewport, device pixel ratio, color depth, and orientation, updating live as you resize. ๐ข Semver Comparator Free semver comparator: enter two semantic versions to see which is greater or if equal. Validates the format and shows major, minor, patch and prerelease. ๐๏ธ SQL Formatter Free SQL formatter and beautifier. Paste a query to uppercase keywords, break clauses onto new lines, indent, and split columns, or minify it, all in-browser. ๐ Text Diff Checker Free text diff checker: paste two versions of any text and see added, removed, and unchanged lines highlighted, with a count of every change. Runs in-browser. ๐ ULID Generator Free ULID generator. Create one or many 26-character ULIDs that are lexicographically sortable by time, with a timestamp prefix and crypto-random suffix. ๐ Unix Timestamp Converter Free Unix timestamp converter: turn an epoch timestamp into a readable UTC and local date, or convert any date back to a Unix timestamp. Live current epoch too. ๐ URL Encoder Decoder Free URL encoder and decoder. Convert text to percent-encoding and back instantly. Encode spaces, ampersands, and accents for safe URLs, then copy with one click. ๐ต๏ธ User Agent Parser Free user agent parser: see your own browser's user agent string and parse any UA into browser name, version, operating system, and device type instantly. ๐ UUID Validator Free UUID validator: check if a string is a well-formed UUID, detect its version (1 to 5) and RFC 4122 variant, and validate a GUID with or without braces. ๐ XML to JSON Free XML to JSON converter. Paste XML and get clean, pretty-printed JSON instantly: elements become keys, attributes use a prefix, repeated tags become arrays. ๐ YAML to JSON Free YAML to JSON converter. Paste YAML and instantly get clean, pretty-printed JSON in your browser. Supports maps, lists, scalars, comments and quotes.
๐จColor Tools
View all โ ๐จ Color Converter Free color converter for HEX, RGB and HSL. Turn hex codes into rgb() values, convert rgb to hex, or get HSL instantly with worked examples and a web color chart. ๐จ Accessible Color Checker Free accessible color checker: enter a background color to see whether black or white text is more readable, with WCAG contrast ratios and AA/AAA pass results. ๐จ Analogous Color Generator Free analogous color generator. Pick a base color and rotate the hue by 30 or 60 degrees in HSL to build a harmonious scheme. Get hex and HSL, click to copy. โฌ CSS Border Radius Generator Free CSS border radius generator. Round each corner with sliders, switch units, try elliptical percentage corners, preview live and copy the border-radius CSS. ๐ CSS Box Shadow Generator Free CSS box shadow generator with live preview. Drag sliders for offset, blur, spread, and color opacity, toggle inset, then copy the box-shadow CSS instantly. ๐จ Brand Colors Reference Free brand colors reference with official brand hex codes for Facebook, Instagram, YouTube, Spotify, Netflix and Google. Click any swatch to copy the hex. ๐จ๏ธ CMYK to RGB Converter Free CMYK to RGB and HEX converter. Enter CMYK values to get RGB and hex, or convert RGB back to CMYK, with a live color swatch. CMYK is approximate on screen. ๐๏ธ Color Blindness Simulator Free color blindness simulator: upload an image or pick a color and see it through protanopia, deuteranopia and tritanopia. CVD simulator, in your browser. ๐จ Color Mixer Free color mixer: pick two colors and a ratio to blend them in RGB space. See the resulting hex and a live swatch, then copy the mixed color instantly. ๐จ Color Name Finder Free color name finder: paste a hex code or pick a color to find the nearest named CSS color. See the matched name, its hex, and a side-by-side swatch. ๐จ Color Palette Generator Free color palette generator: pick a base color and instantly build complementary, analogous, triadic and monochromatic schemes with click to copy hex codes. ๐จ Color Shades Generator Free color shades generator. Enter a hex or pick a base color, then get a row of tints and shades in even steps with click to copy hex codes in your browser. ๐ก๏ธ Color Temperature Converter Convert a color temperature in Kelvin to approximate RGB and hex using the Tanner Helland algorithm. Drag from 1000K to 40000K and see a live colour swatch. ๐จ Color Wheel Free interactive HSL color wheel. Click the wheel to pick any hue and saturation, set lightness with a slider, then copy the hex, RGB and HSL values instantly. ๐ Contrast Checker Free WCAG color contrast checker: enter foreground and background colors to get the contrast ratio plus AA and AAA pass or fail for normal and large text. ๐๏ธ CSS Filter Generator Free CSS filter generator: adjust blur, brightness, contrast, grayscale, hue-rotate, invert, saturate and sepia with live sliders and copy the filter CSS. ๐ CSS Gradient Generator Free CSS gradient generator: pick colors and an angle for a linear or radial gradient, see a live preview, and copy the linear-gradient CSS in one click. ๐ Darken or Lighten Color Free tool to darken or lighten any color. Pick a hex code, drag a slider from -100% to +100% to adjust HSL lightness, and copy the new hex with a step scale. ๐ง Glassmorphism Generator Free glassmorphism generator: adjust blur, transparency, tint, border and shadow to build a frosted-glass card and copy the backdrop-filter CSS instantly. ๐จ Gradient Text Generator Free CSS gradient text generator: pick two or more colors and an angle, then copy the background-clip text CSS. Live preview updates instantly as you tweak it. ๐จ HSV Color Converter Free HSV to RGB and HEX converter. Enter hue, saturation and value to get RGB and hex, or convert RGB back to HSV (HSB), with a live color swatch preview. ๐จ Material Design Colors Reference grid of every Material Design 2014 color with hex and RGB codes, shades 50 to 900 plus accents. Click any swatch to copy. Search by name or hex. ๐จ Monochromatic Palette Generator Free monochromatic palette generator. Enter a hex or pick a base color to build a single hue scale of swatches from dark to light, with click to copy hex. ๐จ CSS Named Colors Chart Free CSS named colors chart listing all 148 HTML color names with live swatches and their hex codes. Search by name or hex value, then click any swatch to copy. ๐ก Neon Text Generator Free CSS neon text generator. Type text, pick a glow color and background, set the intensity, then copy ready-to-use layered text-shadow CSS for a neon glow. ๐ฒ Random Color Generator Free random color generator. Get a random hex color with its RGB and HSL values and a swatch, copy any code, or generate a whole set of random colors at once. ๐จ RGBA to HEX Converter Free RGBA to HEX converter. Turn rgb values and an alpha into an 8-digit hex (#RRGGBBAA) and back, with a checkerboard swatch that shows the transparency. ๐จ Split Complementary Generator Free split complementary generator: pick a base color to get its complement split into two harmonious swatches at +150 and +210 degrees. Click to copy hex. ๐จ Tailwind Color Reference Free Tailwind CSS color reference: browse the full default palette, every named color and shade 50 to 950, with hex and RGB codes. Search and click to copy. ๐ CSS Text Shadow Generator Free CSS text shadow generator with live preview. Adjust offset, blur and color with sliders, stack multiple shadows and copy the text-shadow CSS instantly. ๐บ Triadic Color Generator Free triadic color generator. Enter a base hex color and instantly get the two triadic partners 120 degrees apart, with hex and HSL values you can copy.
โกGenerators
View all โ ๐ Password Generator Free strong password generator. Create secure, random passwords with custom length, symbols, numbers and case, generated in your browser, never stored. ๐ API Key Generator Free API key generator. Create secure random tokens and secret keys in hex, base64url or alphanumeric format using browser crypto, with prefix and bulk output. ๐ฑ Bingo Card Generator Free bingo card generator: create random printable 5x5 bingo cards in your browser. Standard B-I-N-G-O columns, free centre space, print in one click. ๐ข Business Name Generator Free business name generator: turn one keyword into dozens of brand name ideas using prefixes, suffixes, adjectives and catchy endings. Copy any instantly. ๐ช Coin Flip Free online coin flip simulator. Flip a coin once or toss many at a time for a fair heads or tails result, with a running tally of counts and percentages. ๐๏ธ Coupon Code Generator Free coupon code generator: create random promo and discount codes in bulk with custom length, prefix, suffix, character set and dash grouping. Copy fast. ๐ฒ Dice Roller Free online dice roller. Roll one or many virtual dice (d4, d6, d8, d10, d12, d20, d100), see every result and the total. Fair rolls powered by your browser. ๐ Fake Address Generator Free fake address generator. Instantly create random, plausible US street addresses with city, state and ZIP for testing, demos and design. For testing only. ๐ชช Fake Name Generator Free fake name generator: create random full names with a male, female, or neutral option. Make dummy names for testing, demos, and placeholder data instantly. ๐ซ Gitignore Generator Free .gitignore generator: pick stacks like Node, Python, Java, macOS, Windows, VS Code and JetBrains to build a clean, deduplicated file to copy or download. ๐ Lorem Ipsum Generator Free lorem ipsum generator: create placeholder dummy text by paragraphs, sentences, or words. Starts with the classic opener and copies in one click. ๐ฑ Magic 8 Ball Free online Magic 8 Ball: ask any yes or no question, shake the ball, and get one of the 20 classic answers picked at random. Fun, instant, no signup. ๐ Passphrase Generator Free passphrase generator with Diceware-style words. Pick how many words, a separator, capitalization and a number, then get a memorable, strong passphrase. ๐ Password Strength Checker Free password strength checker that estimates entropy in bits, rates strength from very weak to excellent, and shows which character classes you used. Private. ๐ข PIN Generator A free random PIN generator. Create secure numeric PINs from 3 to 12 digits, in any quantity, using crypto-grade randomness. Copy each PIN and avoid weak codes. ๐ฒ Random Emoji Generator Free random emoji generator and picker. Pick any number of random emoji from smileys, animals, food, or objects, avoid repeats, and copy them in one click. ๐ค Random Letter Generator Free random letter generator: pick a random letter A to Z. Choose uppercase or lowercase, allow or block duplicates, set the count, and copy the result fast. ๐ฒ Random Number Generator Free random number generator: set a min and max, choose how many numbers, and allow or block duplicates. Uses your browser crypto for fair, unbiased picks. ๐ฒ Random Picker Free random picker and decision maker: paste your options one per line and pick one fairly at random. Remove or keep the winner, or shuffle the whole list. ๐ฌ Random Quote Generator Free random quote generator: click for an inspirational, motivational, or wisdom quote with its author, copy it in one tap, and pick a topic instantly. ๐ฒ Random Word Generator Free random word generator. Get random nouns, verbs and adjectives for games, brainstorming and writing prompts, with count, word type and length filters. ๐ README Generator Free README generator. Fill in your project name, install steps, usage and license to build a clean, GitHub-ready README.md with badges, then copy or download. ๐
Secret Santa Generator Free Secret Santa generator: paste your participant list and instantly assign each person someone else to gift. Random, fair, and runs in your browser. ๐ท๏ธ SKU Generator Free SKU generator: build product SKU codes from a prefix, category, color and size, plus a sequential or random number. Generate a batch and copy them fast. โ๏ธ Story Prompt Generator Free story prompt generator: combine character, setting, conflict and twist into a fresh creative writing idea. Pick a genre, generate, and copy in one click. ๐ฒ Team Randomizer Free team randomizer: paste a list of names, pick the number of teams or team size, and shuffle into fair, even groups with one click. Re-randomize anytime. ๐ท๏ธ Username Generator Free username generator: create random usernames and gamertags from adjective and noun word lists. Add numbers, pick a separator, set a max length, and copy. ๐ UUID Generator Free UUID generator: create one to 50 random version 4 UUIDs (GUIDs) at once. Generated in your browser with the secure crypto API. Copy one or copy all. ๐ก Wheel of Names Free wheel of names: a colorful spinner wheel that picks a random name. Paste your list, hit spin, and let the random name picker wheel choose a fair winner. ๐ฒ Yes or No Generator Free yes or no generator: tap one button for an instant random Yes or No answer, add Maybe if you like, and keep a tally. A fast, fair decision maker.
๐ผ๏ธImage Tools
View all โ ๐ผ๏ธ Base64 to Image Free Base64 to image converter. Paste a Base64 string or data URI to decode it, preview the image instantly, detect the MIME type, and download the file. ๐จ Duotone Image Generator Free duotone image generator. Upload a photo, pick a shadow and highlight color, and map its tones between the two for a striking two color effect, in browser. ๐ Favicon Generator Free favicon generator. Upload an image to create PNG favicons at 16, 32, 48, 180 and 512 px, preview each, download them, and copy the HTML link tags. ๐ Grayscale Image Converter Free grayscale image converter: upload a photo and turn it black and white in your browser. Adjust intensity to desaturate, then download the result instantly. ๐ซ๏ธ Image Blur Tool Free image blur tool to blur any photo online in your browser. Upload an image, drag the slider to set the blur radius, preview live, then download it. ๐ผ๏ธ Image Border Tool Free image border tool. Add a solid color frame to any photo: choose a border color and width, preview the result, then download it as PNG, JPEG or WebP. ๐ Image Brightness and Contrast Free image brightness and contrast tool. Upload a photo, drag the two sliders to adjust brightness and contrast, preview live, then download the new PNG. ๐จ Image Color Extractor Free image color extractor: upload a photo and instantly pull its dominant colors into a palette of hex codes you can copy with one click, all in your browser. ๐จ Image Color Picker Free online image color picker and eyedropper. Upload a photo, hover to magnify, then click any pixel to get its exact hex, RGB and HSL color in browser. ๐๏ธ Image Compressor Free image compressor: upload a JPG, PNG or WEBP, pick a quality, and shrink the file size in your browser. See original vs compressed size and download fast. โ๏ธ Image Cropper Free image cropper to crop a photo online. Upload, set exact pixel coordinates or a preset ratio, preview, and download. Runs fully in your browser, no upload. ๐ Image Flip Tool Free image flip tool: upload a photo and flip it horizontally to mirror it or vertically, then download the result. Runs in your browser, no upload needed. ๐ผ๏ธ Image Format Converter Free image format converter. Change PNG to JPG, JPG to WEBP, or any image to PNG, JPEG or WEBP right in your browser. No upload, no signup, fully private. ๐งฉ Image Pixelate Tool Free image pixelate tool: upload a photo, set a block size to censor faces or text, preview live, and download the pixelated image. All in your browser. ๐ผ๏ธ Image Resizer Free image resizer: set a new width and height, lock the aspect ratio, and download the resized photo. Runs in your browser, nothing is ever uploaded. ๐ Image Rotate and Flip Free online image rotate and flip tool: turn photos 90 degrees left or right, rotate 180, or mirror them horizontally and vertically, then download instantly. ๐ฒ Image Rounded Corners Free tool to round image corners online. Upload a photo, pick a corner radius, and download a PNG with transparent rounded corners. Runs in browser, no upload. ๐ผ๏ธ Image to Base64 Free image to Base64 converter. Upload a PNG, JPG, GIF, WebP or SVG to get its Base64 data URI plus ready-to-use <img> and CSS snippets. Runs in your browser. ๐ผ๏ธ Image to ICO Converter Convert any PNG, JPG or WebP image to an ICO favicon right in your browser. Get a 32x32 .ico file plus 16, 32 and 48 px PNG icons, free and fully private. ๐ผ๏ธ Image Watermark Tool Free online image watermark tool. Add a text watermark to your photo with custom position, opacity, font size and color, then download. Runs in your browser. ๐ Invert Image Colors Free online tool to invert image colors and make a photo negative. Upload an image, flip every pixel in your browser, then preview and download. No upload. ๐ Meme Generator Free meme generator to make a meme online: upload an image, add bold white top and bottom text in the classic Impact style, preview live, then download it. ๐ค Sepia Image Converter Free sepia image converter. Upload a photo, apply the classic sepia tone with an intensity slider, then preview and download. Runs fully in your browser. ๐ผ๏ธ SVG to PNG Converter Free SVG to PNG converter. Paste SVG code or upload an .svg file, pick a scale or exact width, then download a crisp PNG. All in your browser, nothing uploaded.
๐Education & Grades
View all โ ๐ GPA Calculator Free GPA calculator for the US 4.0 scale. Enter letter grades and credit hours to find your weighted college GPA instantly, with a clear grade-point chart. ๐ Attendance Percentage Calculator Free attendance percentage calculator. Enter classes attended and total to get your attendance percent, plus how many classes you can skip or must attend. ๐ CGPA to Percentage Calculator Convert CGPA to percentage and percentage to CGPA with our free CGPA calculator. Uses the common 9.5 multiplier, fully editable to match your university. ๐ Class Rank Percentile Calculator Free class rank percentile calculator: enter your rank and class size to see your percentile rank and the top X percent you fall in, clearly explained. โฑ๏ธ Exam Time Allocation Calculator Free exam time allocation calculator: enter exam length, number of questions, and review reserve to get minutes per question and a pacing checkpoint plan. ๐ Final Grade Calculator Free final grade calculator: enter your current grade, target grade, and the final exam weight to see exactly what score you need on the final to hit your goal. ๐ Grade Curve Calculator Free grade curve calculator: apply a flat add, square-root, or scale-to-top curve to exam scores and see the class average before and after the curve. ๐ High School GPA Calculator Free weighted high school GPA calculator. Add courses with grade and type (Regular, Honors, AP or IB) to see your weighted and unweighted GPA instantly. ๐ Marks to Percentage Calculator Free marks to percentage calculator: enter obtained and total marks for one or many subjects to get your overall exam percentage and a grade band instantly. ๐ Reading Speed Test Free reading speed test. Read a short timed passage, press done, and get your reading speed in words per minute (WPM) plus a level, all in your browser. ๐ Study Time Planner Free study time planner: enter your subjects with difficulty weights, total study hours and days until the exam to get a clear hours per subject schedule. ๐ Test Average Calculator Free test average calculator: enter your scores, add optional weights, and get the average, letter grade, highest and lowest, plus the score needed next. ๐ Words Per Page Calculator Free words per page calculator: estimate how many pages a word count fills at single, 1.5 or double spacing and 10 to 14 pt, or convert pages to words.
๐ Date & Time
View all โ ๐ Age Calculator Free age calculator. Enter your date of birth to find your exact age in years, months and days, plus total weeks, days and your next birthday. ๐ Add or Subtract Days Calculator Free date calculator: add or subtract days, weeks, months, or years from any date. See the resulting date and its weekday instantly, with no time-zone drift. โฑ๏ธ Add Time Calculator Free add time calculator. Add or subtract hours, minutes and seconds to a start time and see the result with day rollover, or sum two durations together. ๐ฅ Age Gap Calculator Free age gap calculator: enter two birth dates to find the exact age difference in years, months and days, plus the total days between the two people. ๐ถ Age in Months Calculator Free age in months calculator. Enter a date of birth to see how many months old someone is, plus the remaining days, total weeks and total days exactly. ๐ Birthstone Finder Free birthstone finder: enter your birth month or date to see the modern and traditional birthstone for that month, plus its color and a short meaning. ๐
Business Days Calculator Free business days calculator: count working days (Mon to Fri) between two dates, excluding weekends. See total days, business days, weekends, and full weeks. ๐ Chinese Zodiac Calculator Free Chinese zodiac calculator: enter any birth year to find your animal sign, its emoji, the five-element cycle, and the Chinese New Year boundary note. โณ Countdown Timer Free live countdown timer to any date and time. Enter a target moment and watch the days, hours, minutes and seconds tick down in real time until your event. ๐
Date Difference Calculator Free date difference calculator: find the number of days between two dates, plus the gap in years, months, and days and the total weeks. Works in any order. ๐
Date Format Converter Free date format converter: enter any date and instantly convert it to ISO 8601, US, European, long, Unix timestamp and weekday formats, ready to copy. ๐๏ธ Date Sequence Generator Free date sequence generator: build a list of recurring dates from a start date stepping by N days, weeks, months or years, up to an end date or count. ๐๏ธ Date to Words Converter Free date to words converter: enter any date to write it in words like the nineteenth of June, two thousand twenty-six, plus American style and ordinal day. ๐
Day of the Week Calculator Free day of week calculator: enter any past or future date to find the weekday, plus the day of the year and the ISO week number. See what day you were born. ๐ Day of Year Calculator Free day of year calculator: enter any date or use today to find the ordinal day number (1-366), the days remaining in the year, and the percent elapsed. ๐
Days in Month Calculator Free days in month calculator: pick any month and year to see how many days it has, learn why February has 28 or 29 days, and view a full 12-month table. ๐ Days Since Calculator Free days since calculator: enter any past date to find out how many days have passed since then, plus the total in weeks, months and years up to today. ๐
Days Until Calculator Free days until calculator: pick any date to see how many days until it (or how many days ago it was), plus the count in weeks and the weekday it falls on. ๐ฐ Easter Date Calculator Find the date of Easter Sunday for any year with this free Easter date calculator using the Gregorian Computus algorithm, plus the dates for surrounding years. ๐ฅ Generation Calculator Free generation calculator: enter your birth year to find out if you are Gen Z, a Millennial, Gen X, a Boomer, or another cohort, with full year ranges. ๐
Leap Year Checker Free leap year checker: enter any year to instantly see whether it is a leap year, why the rule applies, how many days February has, and the next leap years. ๐๏ธ Meeting Time Planner Free meeting time zone planner. Enter a meeting time in your zone and add participant zones to see everyone's local time, so you can pick a slot that works. ๐ Moon Phase Calculator Free moon phase calculator: enter any date to see the lunar phase, percent illumination and the Moon age in days, with an emoji and the eight named phases. ๐
Nth Weekday Calculator Free nth weekday calculator. Find the date of any nth weekday in a month, like the 3rd Monday or last Friday, and see when the 5th occurrence does not exist. ๐
Pomodoro Timer Free Pomodoro timer online. Set work, short break and long break lengths, auto-cycle through sessions, and stay focused with this 25 minute focus timer. ๐
Quarter of the Year Calculator Find which quarter a date falls in. See the calendar quarter (Q1 to Q4), its months, start and end dates, days remaining, and optional fiscal quarter instantly. ๐๏ธ Retirement Date Calculator Free retirement date calculator: enter your date of birth and target retirement age to see your exact retirement date, your current age, and a live countdown. ๐๏ธ Roman Numeral Date Converter Free Roman numeral date converter. Turn any date into Roman numerals in formats like DD.MM.YYYY (19.VI.MMXXVI). Perfect for tattoos, rings and engravings. Copy. โฑ๏ธ Seconds to HH:MM:SS Converter Free seconds to HH:MM:SS converter that works both ways: turn any number of seconds into hours, minutes and seconds (plus days and decimal hours), or reverse. โฑ๏ธ Online Stopwatch Free online stopwatch with start, stop, lap, and reset. Measure elapsed time in minutes, seconds, and hundredths, and record lap splits right in your browser. ๐
Sunrise Sunset Calculator Free sunrise and sunset calculator. Enter latitude, longitude, date and UTC offset to get approximate sunrise time, sunset time and total daylight hours. โณ Time Ago Calculator Free time ago calculator: enter any past date and time to see how long ago it was in years, months and days, plus the exact total days and hours since then. โฑ๏ธ Time Duration Calculator Free time duration calculator: find hours and minutes between two times, plus decimal hours. Accepts 12-hour AM/PM or 24-hour input, handles overnight shifts. ๐ Time to Decimal Converter Convert time to decimal hours and back. Turn hours and minutes into decimal hours for timesheets and payroll, or decimal hours back into HH:MM, instantly. ๐ Time Zone Converter Free time zone converter: convert any time between world zones like New York, London, Tokyo, and Dhaka. Enter a date and time, pick zones, get the answer. ๐
Week Number Calculator Free ISO 8601 week number calculator. Enter any date or use today to find the exact ISO week number, the ISO week-numbering year, and the weekday in one click. ๐ Week of the Month Calculator Free week of the month calculator: enter any date and instantly see which week of the month it falls in, plus that week date range. Pick Sunday or Monday. ๐
Weeks Between Dates Free weeks between dates calculator: enter two dates to see the number of weeks and leftover days between them, plus the total weeks and total days at once. ๐ Work Anniversary Calculator Free work anniversary calculator: enter your start date to get years of service in years, months and days, total days, and a countdown to your next anniversary. โฑ๏ธ Work Hours Calculator Free work hours calculator and timesheet tool. Enter clock-in, clock-out and break times to get hours worked as hh:mm and decimal, weekly totals and gross pay. โ Zodiac Sign Calculator Free zodiac sign calculator. Enter your birth date to find your Western star sign instantly, with its symbol, element, ruling planet and exact date range.
๐๏ธConstruction & Home
View all โ ๐ฃ๏ธ Asphalt Calculator Free asphalt calculator: enter length, width and thickness to get the volume and tons of hot-mix asphalt you need, with a waste allowance. Assumes 145 lb/cu ft. ๐ชต Board Foot Calculator Free board foot calculator: enter lumber thickness, width and length to get total board feet (BF) and cost. Uses the standard T x W x L divided by 144 formula. ๐งฑ Brick Calculator Free brick calculator: enter your wall length and height to find how many bricks you need, with brick size, mortar joint, and a waste allowance built in. โ๏ธ BTU Calculator Free BTU calculator for AC sizing: enter room size or floor area, add sun, kitchen and occupant adjustments to estimate cooling BTU and the AC ton equivalent. ๐งถ Carpet Calculator Free carpet calculator: enter each room length and width to find the carpet area in square yards and square feet, add waste, and estimate the total cost. ๐งฑ Concrete Calculator Free concrete calculator. Enter slab length, width and thickness to find the volume in cubic yards and cubic meters, plus how many 40, 60 or 80 lb bags needed. ๐ Crown Molding Calculator Free crown molding calculator: enter room size or perimeter and piece length to get total linear feet of trim and how many pieces to buy, with miter waste. ๐งฑ Cubic Yard Calculator Free cubic yard calculator for concrete, dirt, gravel and mulch. Enter length, width and depth in feet, inches or meters to get cubic yards and cubic meters. ๐ชต Deck Calculator Free deck board calculator: enter your deck and board sizes, gap and waste to find how many deck boards and joists you need, with the deck area shown. ๐งฑ Drywall Calculator Free drywall calculator: enter wall or ceiling area, pick a sheet size and waste percent, and get the sheetrock sheets needed plus screws and joint compound. ๐ชต Fence Calculator Free fence calculator: enter your fence length, post spacing and rails per section to work out how many posts, panels and rails you need, with gates subtracted. ๐ชต Flooring Calculator Free flooring calculator: enter room length and width, box coverage and waste percent to find your floor area and how many boxes of flooring you need. ๐ชจ Gravel Calculator Free gravel calculator: enter length, width, and depth to find how much gravel you need in cubic yards, cubic metres, and tons, with a handy waste allowance. ๐งฑ Insulation Calculator Free insulation calculator: enter your wall or attic area, the coverage per bag or batt package, and a waste percent to see exactly how many packages to buy. ๐ชต Lumber Weight Calculator Free lumber weight calculator: enter board thickness, width, length, quantity and wood type to estimate total weight, weight per board and board feet fast. ๐ชต Mulch Calculator Free mulch calculator: enter your bed size and depth to find how much mulch you need in cubic yards, cubic feet and bags. Works in feet or meters, instantly. ๐จ Paint Calculator Free paint calculator: enter room size or wall area, coats, and coverage to see how many litres or gallons of paint you need. Subtracts doors and windows. ๐งฑ Paver Calculator Free paver calculator: enter your patio size and paver dimensions to see how many pavers you need, including a waste allowance for cuts, breakage and spares. ๐ชต Plywood Sheet Calculator Free plywood sheet calculator: enter your area and sheet size to see how many sheets of plywood you need, with a waste allowance and optional cost estimate. ๐ชต Post Hole Concrete Calculator Free post hole concrete calculator: enter hole diameter, depth, post size and count to find concrete per post in cubic feet, cubic yards and 50 or 60 lb bags. ๐งฑ Retaining Wall Calculator Free retaining wall block calculator: enter wall length, height and block size to find how many blocks, rows and cap units you need, with a waste allowance. ๐ Roof Pitch Calculator Free roof pitch calculator: enter rise and run to get the roof pitch as x-in-12, the slope angle in degrees, slope percent, and the rafter length per run. ๐ฑ Sod Calculator Free sod calculator: enter your lawn length and width or total area, plus the coverage per roll, to see how much sod you need with a waste allowance and cost. ๐ Square Footage Calculator Free square footage calculator: enter length and width in feet or meters to get the area in square feet and square meters. Add multiple rooms and estimate cost. ๐ช Stair Calculator Free stair calculator: enter your total rise and target step height to get the number of steps, exact riser height, recommended tread depth, and total run. ๐งฑ Tile Calculator Free tile calculator: enter your room size or area and tile size to find how many tiles you need, including a waste allowance and the number of boxes to buy.
Free online tools that just work
ToolNimba brings together the calculators, converters and generators people reach for every day, from working out a percentage or a loan repayment to converting kilograms to pounds, checking your BMI, counting words, or generating a strong password. Each one is built to be accurate, fast and genuinely useful, with the method explained so you can trust the result.
Everything runs right in your browser. There is no sign-up, no install and no limit, and because the maths happens on your own device, the values you enter are never uploaded. We add new tools regularly and keep the existing ones reviewed and up to date.
Frequently asked questions
Are all the tools on ToolNimba free?
Yes. Every calculator, converter and generator on ToolNimba is completely free, with no sign-up, no account and no paywall. There are no usage limits.
Do I need to install anything or create an account?
No. Every tool runs in your web browser the moment the page loads. There is nothing to download or install, and you never need to register.
Is my data private?
Yes. The tools calculate and generate entirely on your device using JavaScript. The numbers, text and files you enter are not uploaded to a server, so your inputs stay private.
Do the tools work on mobile?
Yes. ToolNimba is built to be fast and fully responsive, so every tool works on phones, tablets and desktops without an app.