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AVIF vs WebP

Comparing AV1 Image File Format and Web Picture Format - which format should you use?

	AVIF	WebP
Full Name	AV1 Image File Format	Web Picture Format
Extension	.avif	.webp
MIME Type	image/avif	image/webp
Category	image	image

AVIF Pros

+30-50% smaller than JPEG at same quality
+Supports transparency (alpha channel)
+Supports HDR and wide color gamut
+Royalty-free, open standard
+93% browser support in 2026

AVIF Cons

-Slower to encode than JPEG or WebP
-Not yet universal in older software
-Limited editing support in some apps
-Complex format with many options

WebP Pros

+25-35% smaller than JPEG at same quality
+Supports transparency (like PNG)
+Supports animation (like GIF)
+Supported by all modern browsers

WebP Cons

-Not universally supported in older software
-Lossy mode can produce different artifacts than JPEG
-Limited support in print workflows
-Some social media platforms don't accept WebP

Use AVIF when...

-Web images (best compression available)
-Photography (HDR support)
-E-commerce product photos
-Any use case where WebP or JPEG is currently used

Use WebP when...

-Website images (best format for web)
-Progressive web apps
-Replacing both PNG and JPEG on websites
-Animated images (better than GIF)

Learn more about AVIF Learn more about WebP