AVIF Image Format: Complete Guide
.avifNext-generation format with superior compression. Files use the .avif extension (image/avif) and run in 92% of browsers.
AVIF compresses lossily: smaller files, at the cost of detail that cannot be recovered. It supports transparent backgrounds. It can store animations.On size: typically around 50% smaller than JPEG at the same quality.
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Master Guide
The Complete AVIF Guide: Next-Generation Image Format
Advantages
- ✓Best compression ratio
- ✓HDR support
- ✓Supports transparency
Limitations
- ✗Slower encoding
- ✗Growing browser support
- ✗Limited tool support
When to Use AVIF
- •High-quality photography
- •HDR content
- •Bandwidth-critical sites
Technical Details
| File Extension | .avif |
| MIME Type | image/avif |
| Compression | Lossy and lossless |
| Transparency | Yes |
| Animation | Yes |
| Typical size | typically around 50% smaller than JPEG at the same quality |
| Browser Support | 92% |
AVIF FAQ
Is AVIF better than JPEG?
Depends on the job. AVIF is next-generation format with superior compression, and typically around 50% smaller than JPEG at the same quality. JPEG still wins when you need guaranteed support everywhere, such as in email clients or legacy software.
Does AVIF support transparent backgrounds?
Yes. AVIF stores an alpha channel, so logos, icons, and cut-out graphics keep their transparent areas intact.
How large is a typical AVIF file?
typically around 50% smaller than JPEG at the same quality. Actual size always depends on image content and quality settings — a detailed photograph and a flat two-color logo in the same format can differ by an order of magnitude.