JPEG XL vs AVIF
Comparing JPEG XL and AV1 Image File Format — which format should you use?
| JPEG XL | AVIF | |
|---|---|---|
| Full Name | JPEG XL | AV1 Image File Format |
| Extension | .jxl | .avif |
| MIME Type | image/jxl | image/avif |
| Category | image | image |
JPEG XL Pros
- +Better compression than JPEG, PNG, WebP, and AVIF in many cases
- +Lossless JPEG recompression (save 20% with zero quality loss)
- +Supports both lossy and lossless
- +Progressive decoding (image loads gradually)
- +Royalty-free, open standard
JPEG XL Cons
- -Limited browser support (Chrome re-enabled Jan 2026, Firefox behind flag)
- -Very new — limited software ecosystem
- -Encoding is slow for highest quality settings
- -Safari support uncertain
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
Use JPEG XL when...
- -Archival photography (lossless mode)
- -JPEG file size reduction (lossless transcode)
- -Web images (as browser support grows)
- -Professional photography workflows
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