AVIF vs JPG: When to Convert and When to Keep AVIF

AVIF and JPG both store photographs and complex images. They serve the same purpose but have very different characteristics. Understanding the real differences helps you decide when to convert and when to keep the AVIF — rather than converting every file by default.

AVIF vs JPG: File Size

AVIF consistently produces smaller files than JPG at equivalent visual quality. Studies and real-world tests show:

• AVIF is 20–50% smaller than JPG at the same perceived quality
• A 1MB JPG might be 400–600KB as AVIF with no visible quality difference
• At high quality settings (95+), the gap narrows but AVIF is still smaller

For web hosting, this matters enormously — smaller images mean faster page loads and less bandwidth. For personal use, the size advantage of AVIF is real but less relevant since storage is cheap.

AVIF vs JPG: Image Quality

At equivalent file sizes, AVIF looks better than JPG. JPG's 8x8 pixel block compression creates visible artifacts — ringing around edges, blockiness in gradients, smearing in detailed areas — at moderate to high compression. AVIF uses more sophisticated encoding that avoids these artifacts at the same file size.

At very high quality settings (90–95), both formats look excellent and the practical difference is minimal for most viewers on typical screens.

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AVIF vs JPG: Compatibility

Where	JPG	AVIF
Web browsers	All (100%)	Chrome, Firefox, Safari 16+, Edge (95%+)
Windows	Universal	Windows 11 (updated) only
macOS	Universal	Ventura (2022) and later
iOS	Universal	iOS 16+ in Safari only
Android	Universal	Partial (Android 12+, app-dependent)
Design apps	Universal	Photoshop 2022+, Figma, limited others
Email clients	Universal	Mostly not supported
Social media	Universal	Most platforms reject or re-encode AVIF

When You Should Keep AVIF (Don't Convert)

• Your own website images: If you control the server and your users have modern browsers, AVIF saves significant bandwidth — sometimes 40% over JPG
• Large image archives: Storing thousands of photos? AVIF saves substantial disk space with no visible quality difference
• Web development: When building sites, serving AVIF with a JPG fallback is best practice
• Editing pipeline: If downstream tools support AVIF, keep it native

When You Should Convert AVIF to JPG

• Sharing with others: Most people can't open AVIF — JPG is the safe universal choice
• Uploading to social media: Instagram, Facebook, Twitter, LinkedIn, TikTok — all expect JPG or PNG
• Sending via email: Email clients don't display AVIF inline; it arrives as a broken attachment
• Using in design tools: Most design and editing software works with JPG reliably
• Uploading to e-commerce: Shopify, WooCommerce, Etsy accept JPG natively; AVIF may fail
• Printing: Print labs and Shutterfly-style services expect JPG or PNG

Frequently Asked Questions

Is AVIF going to replace JPG?

Eventually, possibly. AVIF adoption is accelerating but JPG has 30 years of universal support. JPG will remain relevant for at least the next decade. AVIF is the better technical format but compatibility still limits it.

Which is better for photos: AVIF or JPG?

AVIF is technically superior at the same file size. For modern web use, AVIF is the better choice. For sharing, printing, and editing, JPG is more practical due to universal compatibility.

Does converting AVIF to JPG lose the quality advantage?

Yes. Once you convert to JPG, you lose the size efficiency of AVIF. The JPG will be larger at the same visual quality. This is expected and usually an acceptable tradeoff for compatibility.