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Part of:Image Formats Explained: JPG, PNG, WebP, AVIF and More

PNG to AVIF Converter

Convert PNG to AVIF in your browser and keep transparency. AVIF delivers the smallest modern web images, batch ready and private.

  • No file limits
  • No registration
  • Free forever
  • Images never leave your browser
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Supported formats: JPG, PNG, WebP, AVIF, SVG

Processing…

Your images never leave your browser

All processing happens locally on your device. Nothing is uploaded to a server, stored, or tracked.

Compress PNGs to AVIF with transparency preserved for the smallest possible modern web images. AVIF excels on photos inside PNGs and on flat graphics with alpha.

How it works

Why convert PNG to AVIF?

Compress PNGs to AVIF with transparency preserved for the smallest possible modern web images. AVIF excels on photos inside PNGs and on flat graphics with alpha.

How AVIF compares to PNG

AVIF is generally more compact than PNG. The main differences are file size, quality characteristics, and transparency support.

Quality recommendations

For AVIF output, start at the balanced preset and adjust to taste. A lower quality setting shrinks the file further; a higher one keeps more detail. Keep the original PNG file for archival edits.

Is conversion private?

Your PNG is re-encoded to AVIF locally, including its alpha channel. The image never leaves your device.

Batch convert PNG to AVIF

Turn a group of PNG images into AVIF in a single batch with transparency intact. Free, private, batch ZIP, and no upload.

Frequently asked questions

Can AVIF store transparency?

Yes. AVIF supports an alpha channel so transparent PNGs convert cleanly and stay small.

Is AVIF always smaller than WebP for PNG graphics

Usually yes for photos, though encoding is slower. For sharp line art WebP lossless can be similar, so test both for your asset.

Will converting PNG to AVIF lose quality

Not at balanced or high. PNG is lossless, AVIF can be lossless or lossy. Use lossless AVIF to keep every pixel or balanced for much smaller files. Use check the pixel size before export.

Will converting to AVIF degrade quality?

Every AVIF re-encode discards a little detail. Keep your original file if you might re-edit it later.