🖼️ AVIF to PNG Converter

What is the AVIF to PNG Converter?

AVIF (AV1 Image File Format) is a modern image format built on the AV1 video codec. It compresses photos far more efficiently than older formats, so an AVIF file often looks as good as a JPG at a fraction of the file size, and it can also store transparency and even animation. The tradeoff is compatibility: AVIF is newer, so some older browsers, editing tools, and workflows either cannot open it at all or handle it inconsistently.

PNG (Portable Network Graphics) is a much older, lossless format that essentially every browser, operating system, and image editor supports without question. Lossless means PNG never throws away image data to save space, so it reproduces the source pixels exactly, at the cost of larger files compared to modern lossy formats like AVIF. PNG also supports full alpha transparency, which makes it the standard choice for logos, icons, screenshots, and any image where universal compatibility matters more than file size.

This tool performs the conversion using your browser's own image decoder and the HTML canvas element, entirely on your device. When you choose a file, it is loaded into a hidden image object through an object URL; if your browser can decode AVIF, the pixels become available immediately. Those pixels are then drawn onto a canvas at the image's original width and height, and the canvas is exported with canvas.toDataURL using the image/png format, which produces a lossless PNG file that preserves any transparency in the source image.

The honest limitation is that AVIF decoding support varies by browser. Current versions of Chrome, Edge, Firefox and Safari can decode AVIF, but older browser versions or unusual environments may not. If the browser cannot decode the file, this tool tells you plainly rather than producing a broken result, and the fix is simply to try the latest version of a mainstream browser.

When to use it

• Preparing a logo or icon exported as AVIF for use in tools or platforms that only accept PNG.
• Getting a lossless, editable copy of an AVIF photo before making further edits in an image editor.
• Converting an AVIF graphic that uses transparency into a PNG that keeps that transparency intact.
• Sharing an AVIF image with someone whose device, app, or browser cannot open AVIF files.
• Uploading an image to an older website, CMS, or form field that only lists PNG or JPG as accepted formats.
• Archiving a copy of an AVIF image in a widely supported, future-proof file format.

How to use the AVIF to PNG Converter

1. Click "Choose an AVIF image" and select a .avif file from your device.
2. Wait for the note to confirm the image loaded, showing its dimensions and file size.
3. Click "Convert to PNG" to decode the image and render it to PNG in your browser.
4. Check the PNG preview to confirm it looks correct, including any transparent areas.
5. Click "Download PNG" to save the converted file to your device.

Formula & method

Worked examples

AVIF vs PNG at a glance

When PNG is the better choice than AVIF

Common mistakes to avoid

• Assuming every browser can open AVIF files. AVIF support depends on the browser and its version. If a file fails to load here, it is usually a decode limitation, not a broken file. Try the latest Chrome, Edge, Firefox or Safari.
• Expecting a smaller file after converting to PNG. PNG is lossless and generally produces larger files than AVIF for the same image, since AVIF compresses far more aggressively. Converting to PNG trades file size for compatibility, not the other way around.
• Not checking transparency after conversion. If the source AVIF has a transparent background, always check the preview against the checkerboard pattern to confirm the transparency carried over correctly before downloading.
• Uploading a non-AVIF file with a .avif extension. A file renamed to end in .avif without actually being an AVIF image will fail to decode. The extension does not change the real file format.

Glossary

AVIF

AV1 Image File Format, a modern image format based on the AV1 video codec, known for strong compression and support for transparency and animation.

PNG

Portable Network Graphics, a lossless, universally supported image format that preserves exact pixel data and full alpha transparency.

Lossless

A compression method that keeps all original image data with no quality loss, unlike lossy formats that discard some detail to reduce file size.

Alpha channel

The part of an image that stores transparency information for each pixel, allowing backgrounds to show through.

Canvas

An HTML element that lets a browser draw and manipulate image pixels directly, used here to redraw the decoded AVIF before exporting it as PNG.

Object URL

A temporary local reference to a file on your device, created with URL.createObjectURL, used to load the file into an image element without any upload.

Frequently asked questions