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Convert PNG to Ultra-Compact AVIF in Your Browser

AVIF (based on the open-source AV1 video codec) achieves the highest compression efficiency of any modern web image format—often shrinking PNG graphics by up to 80% while retaining smooth color gradients and alpha transparency. Convert PNG to AVIF locally in your browser.

Why convert PNG to AVIF?

AVIF outperforms both PNG and WebP on flat illustrations, UI screenshots, and gradients, avoiding the banding artifacts common in older formats.

Private by design: zero uploads

Encoded locally via our in-browser ImageMagick WebAssembly engine with zero server uploads.

Frequently asked questions

Is AVIF supported by all modern browsers?

Yes. Chrome, Firefox, Safari (macOS Ventura+ / iOS 16+), and Edge all support AVIF natively inside HTML `<img>` and `<picture>` elements.

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