| JPEG XL | AVIF | |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | ✓ | ✓ |
| Animation | ✓ | ✓ |
| HDR | ✓ | ✓ |
| Metadata | ✓ | ✓ |
| Open / royalty-free | ✓ | ✓ |
| Defined by | JPEG / ISO | AOMedia |
| Since | 2021 | 2019 |
| Best for | archiving photos without quality loss | hero images where every kilobyte counts |
JPEG XL
Can recompress a JPG losslessly and shrink it by ~20%. Excellent quality, limited browser support.
AVIF
The best compression available today, with HDR and transparency. Slower to encode.
Questions
JPEG XL or AVIF: which is smaller?
It depends on the content; see our measured benchmarks on the conversion pages.
Can I convert JPEG XL to AVIF?
Yes, in your browser, nothing uploaded.
And AVIF to JPEG XL?
Yes, as well.