AVIF to PNG Converter - Keeps Transparency, No Upload

Browser-local tool

Use AVIF to PNG

Your image is decoded and re-encoded on this device. No upload request is made.

Choose AVIFSelect a AVIF file from this device

Output format

PNG preserves transparent pixels and uses lossless encoding.

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About AVIF to PNG

Pick PNG rather than JPG when the AVIF has a transparent background you need to keep. AVIF stores a full alpha channel, and so does PNG, so the transparency passes through untouched; JPEG has no alpha at all and would silently paint white behind your artwork with no way to undo it afterwards. That single difference decides the choice, and it decides it before file size gets a vote. Size is where PNG performs badly here: it compresses losslessly, so it faithfully preserves every artifact the AVIF encoder produced while giving up all of AVIF's efficiency. A modest AVIF can become a startlingly large PNG. That is expected behaviour rather than a fault, and understanding why makes the result far less alarming.

Shape and export choices

The AVIF is decoded with its alpha channel intact. No background colour is painted first, which is the one step that separates this tool from the JPG converter.
A canvas with an alpha-enabled context is created at the source dimensions and the decoded bitmap is drawn onto it unchanged.
The canvas is encoded as PNG. PNG encoding is lossless, so the pixels handed over by the AVIF decoder are reproduced exactly.
Both sizes are displayed. A large increase is normal and tells you the lossless container is doing its job rather than that something went wrong.
The output is a standard 8-bit RGBA PNG, which every image editor, office suite and operating system preview opens without special support.

Good fits for AVIF to PNG

A logo downloaded from a brand asset page

Brand kits are starting to ship AVIF. Converting to PNG keeps the cut-out edge, so the mark can sit on a coloured slide without a white rectangle around it.

Preparing artwork for an editor that cannot read AVIF

PNG is the safest interchange format when transparency is involved. Reach for JPG only once you have confirmed the image is a photograph with no alpha channel.

Check the image before download

The PNG will usually be several times larger than the AVIF, sometimes by an order of magnitude on photographic content. Nothing is wrong; you have moved from a highly efficient lossy format to a lossless one.
Quality is not recovered. Any softness or blocking already present in the AVIF is now stored losslessly and will persist through every future edit.
If the image has no transparency and is a photograph, JPG is the better destination. You will get a far smaller file with no meaningful downside.
Animated AVIF converts to a single still frame. APNG output is not produced and the frames are not extracted individually.
Colour profile information in the AVIF container is not written into the PNG, so check colour-critical work before sending it to print.

Questions about AVIF to PNG

Does the transparent background survive?

Yes. Both formats carry a real alpha channel, so cut-outs, soft shadows and rounded edges all come through intact.

Why did my file get so much bigger?

PNG stores every pixel exactly instead of approximating them. AVIF was small precisely because it was allowed to discard information; PNG is not.

Is any quality gained by converting to a lossless format?

No. Lossless means nothing further is lost, not that anything is restored. What the AVIF encoder discarded is gone.

Can I go back to AVIF afterwards?

Not in a browser. There is no AVIF encoder available to web pages, so keep the original file if you might need it.

Does the file leave this device?

No. Decoding and PNG encoding both happen in the tab, and this site has no endpoint that accepts file uploads.