📧 Email Address Extractor
By ToolNimba Editorial Team · Updated 2026-06-19
Paste some text and press Extract emails.
This email extractor pulls every email address out of a block of text in one click. Paste a messy export, a chat log, a web page, or a contact list, and the tool finds each address with a pattern match, removes duplicates, and gives you a clean list. Choose whether to separate the results by newline or comma, then copy the whole list with the copy button. Everything runs in your browser, so the text you paste never leaves your device.
What is the Email Extractor?
An email address has a simple, predictable shape: a local part, an at sign, and a domain that ends in a top-level part like com or org. For example, in [email protected] the local part is jane.doe, the domain is example.com, and the top-level part is com. Because that shape is so consistent, a single pattern (a regular expression) can scan any text and reliably spot the addresses inside it, even when they are buried in sentences, tables, or code.
The extractor scans your text from start to finish and collects every run of characters that fits the email shape. It then deduplicates the matches. Two entries that differ only in letter case (for example [email protected] and [email protected]) point to the same mailbox, so the tool treats them as one and keeps the first form it sees, or the lowercased form if you tick the lowercase option. The counters show how many addresses were found in total, how many are unique, and how many duplicates were removed.
The separator option controls the layout of the output, not the contents. Newline gives you one address per line, which is ideal for pasting into a spreadsheet column or a script. Comma gives you a comma-separated list, which drops straight into the To or BCC field of most email clients. Sorting alphabetically makes long lists easier to scan and easier to compare against another list.
When to use it
- Cleaning up a copied web page or directory to grab just the contact addresses.
- Turning a pasted block of signatures or chat messages into a tidy mailing list.
- Pulling unique recipients out of a long email thread so nobody gets messaged twice.
- Extracting addresses from a CSV or log export when the column structure is inconsistent.
How to use the Email Extractor
- Paste or type the text that contains email addresses into the input box.
- Press Extract emails to scan the text and list every address found.
- Pick a separator: newline for one per line, or comma for an inline list.
- Optionally lowercase every address or sort the list alphabetically.
- Press Copy results to put the cleaned, deduplicated list on your clipboard.
Formula & method
Worked examples
A short note containing three addresses, one of them repeated.
- Input: "Email [email protected] or [email protected]. CC [email protected]."
- Pattern finds 3 matches: [email protected], [email protected], [email protected]
- Deduplicate: [email protected] appears twice, so 1 duplicate is removed
- Unique list: [email protected], [email protected]
Result: Total found 3, unique 2, duplicates removed 1
A pasted signature block where two addresses differ only in case.
- Input contains [email protected] and [email protected]
- Both reduce to the same key [email protected] when compared without case
- With Lowercase all ticked, the kept form is [email protected]
- Comma separator joins the result for a To field
Result: Output: [email protected] (1 unique, 1 duplicate removed)
Parts of an email address using [email protected]
| Part | Value | What it is |
|---|---|---|
| Local part | jane.doe | The mailbox name, before the at sign |
| At sign | @ | The separator between mailbox and domain |
| Domain | mail.example.com | The mail server domain, after the at sign |
| Top-level part | com | The final segment, such as com, org, or io |
Separator options and where each one fits best
| Option | Output style | Best for |
|---|---|---|
| Newline | One address per line | Spreadsheets, scripts, text files |
| Comma | Addresses joined by commas | To or BCC fields in email clients |
Common mistakes to avoid
- Expecting it to validate that an address is real. The tool checks that text matches the shape of an email address. It cannot confirm the mailbox exists or accepts mail. Always verify deliverability separately before a real send.
- Pasting addresses written with at or dot spelled out. Addresses obfuscated as "jane [at] acme [dot] com" do not match the pattern, since they are not real addresses. Convert them back to standard form first, then extract.
- Assuming duplicates survive a case change. [email protected] and [email protected] are the same mailbox and count as one. If you genuinely need both forms kept, do not rely on the deduplication step.
- Sending to extracted lists without consent. Pulling addresses out of text does not grant permission to email them. Bulk messaging people who never opted in can breach anti-spam laws and damage your sender reputation.
Glossary
- Email address
- A string of the form local@domain that identifies a mailbox, such as [email protected].
- Local part
- The portion of an address before the at sign, naming the specific mailbox at the domain.
- Domain
- The portion after the at sign that identifies the mail server, such as example.com.
- Deduplication
- Removing repeated entries so each unique address appears only once in the list.
- Regular expression
- A text pattern used to find strings that follow a defined shape, here the shape of an email address.
Frequently asked questions
How do I extract email addresses from a block of text?
Paste the text into the input box and press Extract emails. The tool scans the text, lists every address it finds, removes duplicates, and shows counts for total, unique, and duplicates removed.
Does the extractor remove duplicate addresses?
Yes. It deduplicates the matches without regard to letter case, so [email protected] and [email protected] are treated as one address. The counters show how many duplicates were removed.
Can I get the results separated by commas instead of new lines?
Yes. Choose the Comma option to get a comma-separated list that pastes straight into a To or BCC field, or choose Newline for one address per line.
Is my pasted text private?
Yes. The extraction runs entirely in your browser using JavaScript. Nothing you paste is uploaded to a server or stored anywhere, so the text stays on your device.
Does it check whether the email addresses actually work?
No. The tool confirms that text matches the shape of an email address, but it cannot tell whether a mailbox exists or accepts mail. Verify deliverability with a separate service before sending.
Why are some addresses in my text not picked up?
Addresses written in obfuscated forms such as "jane at acme dot com" are not valid email syntax, so they do not match the pattern. Convert them to standard form first, then run the extraction.