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AVIF vs HEIC

Comparing AV1 Image File Format and High Efficiency Image Container - which format should you use?

	AVIF	HEIC
Full Name	AV1 Image File Format	High Efficiency Image Container
Extension	.avif	.heic
MIME Type	image/avif	image/heic
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

HEIC Pros

+50% smaller than JPEG at same quality
+Supports 16-bit color depth
+Stores multiple images (Live Photos, bursts)
+Supports transparency and depth maps

HEIC Cons

-Limited browser support (no native web support)
-Requires conversion for most platforms
-Patent-encumbered (HEVC licensing)
-Not supported by many image editors

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 HEIC when...

-iPhone and iPad photography
-Apple ecosystem sharing
-Storage-efficient photo libraries
-Live Photos and burst sequences

Learn more about AVIF Learn more about HEIC