All Tools VerseConvert PNG to AVIF - Shrink File Size
Convert PNG to AVIF free in your browser to shrink file size and keep transparency. Runs locally, no upload, no signup.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
Convert PNG images into modern AVIF files right in your browser to cut file size while keeping transparency. No upload, no signup.
Drag and drop your PNG here
or click to browse your files
Choose FileNo size limit. The tool runs 100% locally on your computer.
Your AVIF preview, size comparison and download appear here.
How to Use Convert PNG to AVIF - Shrink File Size
- Add your PNG. Drag the file onto the box above, or click Browse Files to pick it.
- It is drawn in your browser. The PNG is placed on an HTML5 Canvas at full resolution, with no server involved.
- It is encoded as AVIF. Your browser re-encodes the image as AVIF, keeping transparency, and shows the old and new sizes.
- Download. Click Download AVIF to save the smaller file. Nothing is uploaded at any point.
Frequently Asked Questions
Why convert PNG to AVIF?
AVIF uses much stronger compression than PNG, so the same image becomes a far smaller file. That means faster page loads and less storage, while transparency is kept.
Does it keep transparency?
Yes. AVIF supports an alpha channel, so a transparent PNG background stays transparent in the AVIF.
Which browsers can create AVIF here?
Encoding runs in your browser, so you need Chrome 100 or newer, or Edge 100 or newer. If your browser cannot encode AVIF, the tool tells you instead of saving a wrong file.
Will the image lose quality?
AVIF is saved with a quality setting, so there is some loss, but at this setting the difference is hard to see while the file gets much smaller.
Is my image uploaded anywhere?
No. The whole conversion runs in your browser, so the file never leaves your computer and it works offline.
Does it keep the same dimensions?
Yes. The pixel width and height stay identical; only the format and file size change.
How much smaller will the file be?
It depends on the image, but AVIF is often several times smaller than the same PNG. The tool shows the exact before and after sizes.
Does it work on a phone?
Yes, on a recent Chrome or Edge mobile browser, with nothing to install.
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