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