Convert JPG to AVIF Online
Lossy compression creates visible artifacts around sharp edges, text, and high-contrast boundaries. 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 JPG to AVIF?
Lossy compression creates visible artifacts around sharp edges, text, and high-contrast boundaries — 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 JPG files were created for embedding photographic images in web pages where bandwidth matters, but now you need a format suited to different workflows
JPG vs AVIF — Format Comparison
Joint Photographic Experts Group (.jpg)
AV1 Image File Format (.avif)
How to Convert JPG to AVIF
Upload your JPG file
Drag your .jpg file onto the upload area or click to browse. We accept JPG 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 JPG 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 JPG?
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JPG files are typically 50 KB – 15 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 JPG files up to 50 MB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between JPG and AVIF?
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JPG (Joint Photographic Experts Group) is best for photographs and complex images where small file size matters more than pixel-perfect quality. AVIF (AV1 Image File Format) is best for next-generation web images with the highest compression efficiency available today. Key tradeoff: JPG's advantage is achieves 10:1 compression ratios on photographic content with minimal perceptual quality loss, 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 JPG to AVIF Conversion
Review the output AVIF file to ensure all formatting and content transferred correctly from your JPG source
If your JPG 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 JPG file above and get your AVIF in seconds. Free, fast, and secure.