AVIF vs WebP: what's the difference?
Short answer: AVIF compresses better than WebP, but WebP is faster to encode and supported in more places.
| AVIF | WebP | |
|---|---|---|
| Full name | AV1 Image File Format | WebP (Google) |
| File extensions | .avif | .webp |
| MIME type | image/avif | image/webp |
| Introduced | 2019 | 2010 |
| Compression | Lossy and lossless | Lossy and lossless |
| Transparency | Yes (full alpha) | Yes (full alpha) |
| Animation | Yes | Yes |
| Typical file size | Smallest | Very small |
| Best for | next-generation web images with the best compression available | websites, because it is 25-35% smaller than JPG at the same quality |
| Compatibility | Modern browsers; poor support in desktop apps, Windows and upload forms | All modern browsers; some older desktop apps and upload forms still reject it |
File size
AVIF is often another 20% smaller than WebP at the same quality.
Image quality
AVIF handles gradients and low bitrates better and supports HDR; WebP can show banding sooner.
Transparency and animation
AVIF: transparency yes (full alpha), animation yes. WebP: transparency yes (full alpha), animation yes.
Compatibility
AVIF: Modern browsers; poor support in desktop apps, Windows and upload forms.
WebP: All modern browsers; some older desktop apps and upload forms still reject it.
When to use AVIF
- High-traffic websites wanting the smallest images
- HDR photos
When to use WebP
- Broad compatibility on the web
- Quick encoding for many images
- Animated images
Convert between AVIF and WebP
Frequently asked questions
Is AVIF better than WebP?
AVIF compresses better than WebP, but WebP is faster to encode and supported in more places.
Which is smaller, AVIF or WebP?
AVIF is often another 20% smaller than WebP at the same quality.
Which has better quality, AVIF or WebP?
AVIF handles gradients and low bitrates better and supports HDR; WebP can show banding sooner.
How do I convert AVIF to WebP?
Open the free AVIF to WebP converter, add your files and download the results. It runs in your browser, so nothing is uploaded.