Convert PNG to AVIF without uploading your file

Shrink a PNG dramatically by converting to AVIF. Runs in your browser.

The conversion runs entirely in your browser. The file never leaves your computer. No signup, no upload, no tracking.

AVIF typically produces files 80 to 90 percent smaller than PNG for photographic content. For screenshots and graphics with flat colors, the savings are smaller but still significant. Use the quality slider to control the tradeoff.

When to convert PNG to AVIF

If you are optimizing images for a modern website and your audience uses current browsers (Chrome 85+, Firefox 93+, Safari 16+), AVIF gives you the best compression available today. For legacy browser support, use WebP instead.