Free Online AVIF to PNG Converter

Convert AVIF to PNG with transparency support. Free online conversion.

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AVIF to PNG: next-gen codec to universal lossless

AVIF uses the AV1 intra-frame codec which achieves 50% better compression than JPG and supports HDR, wide gamut, and alpha transparency. Converting to PNG decodes the AV1-compressed data into raw pixels and stores them losslessly with DEFLATE compression. The PNG preserves every decoded pixel without additional loss but is significantly larger. Alpha transparency from the AVIF source is preserved in the PNG output, making this the preferred extraction path for transparent AVIF images. What does not survive is the HDR signalling: an AVIF tagged with the PQ or HLG transfer curve loses that tag, and the PNG is read back as ordinary sRGB.

Convert AVIF to PNG when you need lossless quality for editing, when the image has transparency that JPG would destroy, or when your software doesn't support AVIF yet. PNG provides maximum compatibility with image editors, web browsers, and document workflows.

AVIF vs PNG: Side-by-side

Technical comparison of the two formats — useful for deciding which to use, or for confirming what changes during conversion.

Property AVIF PNG
Full name AV1 Image File Format Portable Network Graphics
Year introduced 2019 1996
Developer / standard body Alliance for Open Media PNG Development Group / W3C
MIME type image/avif image/png
File extension .avif .png
Compression Lossy or lossless (AV1) Lossless (DEFLATE)
Color / data depth 8/10/12-bit 24-bit truecolor + 8-bit alpha
Max dimensions / size 65,536 × 65,536 px 2,147,483,647 × 2,147,483,647 px
Transparency Yes Yes
Animation Yes APNG extension only
Standard / specification AOMedia AV1 W3C / ISO/IEC 15948
Best for Next-gen web images — 50% smaller than JPG, 20% smaller than WebP Logos, screenshots, graphics with transparency or sharp edges

AVIF to PNG FAQ

Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert AVIF files to PNG.

What is AVIF?

AVIF is a next-generation AV1-based image format, typically used for very small, high-quality web images. Converting it to PNG makes the file easier to open, share, or upload where AVIF is not supported.

How do I open AVIF files?

On Windows: Photos with the AV1 Video Extension, or Chrome/Edge. On a Mac: Preview (macOS 13+), or Chrome. Support is still arriving. Windows needs the AV1 Video Extension from the Microsoft Store; older macOS and Office will not open it at all.

When should I convert AVIF to PNG instead of JPG?

Choose PNG when the AVIF has transparency you need to preserve, when the image is a screenshot or graphic with sharp text (PNG keeps every pixel exact), or when your workflow requires lossless output.

Will the PNG be much larger than the AVIF?

Yes — potentially 10–30× larger. AVIF uses lossy compression tuned for photographs; PNG is lossless and stores every pixel. A 300 KB AVIF photo can easily become 5–10 MB as PNG.
Need the reverse conversion?
Convert PNG back to AVIF with our companion tool.
PNG to AVIF converter
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