Convert PNG to AVIF Online
File sizes are 5–10x larger than JPEG for photographic content because lossless compression can't discard visual data. Converting to AVIF gives you a key advantage: achieves 50% smaller files than jpeg and 20% smaller than webp at equivalent quality, with hdr and wide color gamut support. AVIF is best for next-generation web images with the highest compression efficiency available today.
Why Convert PNG to AVIF?
File sizes are 5–10x larger than JPEG for photographic content because lossless compression can't discard visual data — converting to AVIF overcomes this by providing achieves 50% smaller files than jpeg and 20% smaller than webp at equivalent quality, with hdr and wide color gamut support
AVIF is the right choice when you need to: serving ultra-compressed hero images on modern websites for fastest load times
Gain broader compatibility — AVIF works with Chrome 85+, Firefox 93+, Safari 16.4+, Edge 85+; limited in older image editors
Your PNG files were created for creating logos and icons with transparent backgrounds for web and print, but now you need a format suited to different workflows
PNG vs AVIF — Format Comparison
Portable Network Graphics (.png)
AV1 Image File Format (.avif)
How to Convert PNG to AVIF
Upload your PNG file
Drag your .png file onto the upload area or click to browse. We accept PNG files up to 50 MB.
Choose AVIF as output format
Select .avif (AV1 Image File Format) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your AVIF file will be ready to download in seconds. The result is optimized for next-generation web images with the highest compression efficiency available today.
Frequently Asked Questions
Is the PNG to AVIF conversion lossless?
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When both formats support lossless data, the conversion preserves all content. 10/12-bit HDR, wide color gamut (BT.2100), alpha transparency, and animation — all in one format.
How large will my AVIF file be compared to the original PNG?
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PNG files are typically 10 KB – 25 MB, while AVIF files are typically 5 KB – 8 MB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted AVIF file?
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AVIF is compatible with: Chrome 85+, Firefox 93+, Safari 16.4+, Edge 85+; limited in older image editors.
What is the maximum file size I can convert?
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PureConverter accepts PNG files up to 50 MB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between PNG and AVIF?
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PNG (Portable Network Graphics) is best for screenshots, logos, ui elements, and any image requiring transparency or pixel-perfect accuracy. AVIF (AV1 Image File Format) is best for next-generation web images with the highest compression efficiency available today. Key tradeoff: PNG's advantage is lossless compression with full alpha-channel transparency — every pixel is preserved exactly, while AVIF's advantage is achieves 50% smaller files than jpeg and 20% smaller than webp at equivalent quality, with hdr and wide color gamut support.
Pro Tips for PNG to AVIF Conversion
Review the output AVIF file to ensure all formatting and content transferred correctly from your PNG source
If your PNG file has transparency, make sure AVIF supports it — AVIF supports transparency
AVIF works especially well for: replacing webp where even smaller file sizes are critical for mobile users
Did you know? AVIF is based on the AV1 video codec, which was designed by a consortium specifically to be royalty-free — Netflix, YouTube, and Twitch backed it to avoid paying HEVC license fees.
Ready to Convert?
Upload your PNG file above and get your AVIF in seconds. Free, fast, and secure.