Convert AVIF to PNG

Converting AVIF to PNG is worth doing when the destination matters more than the source. AVIF is built for the smallest modern web images, at the cost of slower encoding. PNG is built for screenshots, logos and anything needing sharp edges or transparency. Which one you want depends entirely on where the image is going next.

Use this when the AVIF has transparency and the destination cannot read AVIF. PNG preserves the alpha channel and opens anywhere, at the cost of a much larger file, since AVIF is one of the most efficient formats available and PNG is one of the least.

Animation does not survive this conversion. PNG holds a single image, so an animated AVIF is reduced to its first frame and the rest is discarded. Convert to WebP or AVIF if the movement needs to be preserved.

Worth knowing before you start: converting from AVIF to PNG does not recover quality. AVIF discarded detail permanently when it was first saved, and PNG preserves faithfully whatever it is given, including those existing compression artefacts. The file will get considerably larger with nothing visible gained. Convert from the original if you still have it.

PNG will preserve faithfully whatever it is handed, which from a lossy source means preserving the compression artefacts too. The file grows substantially and looks identical. That is worth it when you are about to edit, because it stops further generation loss, and pointless if you are simply saving a copy.

AVIF decoding uses the AV1 image decoder built into the browser, which is why this works without any plugin or install. The image is unpacked to raw pixels and handed to the target encoder in a single pass.

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