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Convert PNG graphics to the AVIF format with transparent background retention and best-in-class compression.
AVIF is the most efficient widely-supported image format today, often beating WebP file sizes by a further 20-30% at equivalent visual quality, while still supporting full alpha transparency.
Drop your PNG file into the converter canvas.
The converter preserves transparent backgrounds automatically; adjust the quality slider to balance size vs. fidelity.
Download your `.avif` image, ready for modern browsers and CDNs.
Everything you need to know about this developer tool
Yes. AVIF fully supports alpha channel transparency, keeping transparent PNG backgrounds intact.
AVIF generally compresses smaller than WebP at the same visual quality, though encoding takes slightly longer. Browser support is now very broad across modern browsers.
Normally, no — your image is processed inside your browser on desktops, laptops, phones, and tablets. It is sent over an encrypted HTTPS connection to our server only when you export a .ico favicon, use an exam / target file-size preset, edit a phone photo larger than 12 megapixels, or if your browser cannot process the image itself; it is then processed in memory and returned immediately, and never stored, logged, or shared.
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