| AVIF | WebP | |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | ✓ | ✓ |
| Animation | ✓ | ✓ |
| HDR | ✓ | - |
| Metadata | ✓ | ✓ |
| Open / royalty-free | ✓ | ✓ |
| Defined by | AOMedia | |
| Since | 2019 | 2010 |
| Best for | hero images where every kilobyte counts | images on websites |
AVIF
The best compression available today, with HDR and transparency. Slower to encode.
WebP
Smaller than JPG and PNG, keeps transparency and animation. Supported by every current browser.
Questions
AVIF or WebP: which is smaller?
It depends on the content; see our measured benchmarks on the conversion pages.
Can I convert AVIF to WebP?
Yes, in your browser, nothing uploaded.
And WebP to AVIF?
Yes, as well.