AVIF
A modern image format that stores AV1-encoded images inside a HEIF-based container and supports efficient compression, HDR, transparency, and image sequences.
General information
- Format name
- AV1 Image File Format
- Extension
.avif- MIME type
image/avif- Category
- image
- Data type
- Binary
- Developer
- Alliance for Open Media
Image properties
- Structure
- Raster
- Compression
- Lossless and lossy
- Transparency
- Yes
- Animation
- Yes
Common uses
Web photographs
High-efficiency images
HDR images
Transparent images
Image sequences
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| AV1 Image File Format Specification | Alliance for Open Media | Open resource ↗ |
| AV1 Image File Format (AVIF) | Library of Congress | Open resource ↗ |
| Media Types Registry | IANA | Open resource ↗ |
Record information
- Verified
- October 3, 2026
- Last updated
- October 3, 2026