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What is an AVIF file?
The newest web image format, based on the AV1 video codec. AVIF is often half the size of JPG at the same visual quality.
Pros
- Smallest files of any common format
- HDR and wide color support
Cons
- Slower to encode
- Not yet accepted by many apps and upload forms
How to open AVIF files
Recent versions of Windows, macOS and most browsers can open it. Otherwise, convert it to JPG or PNG.
Is AVIF lossy or lossless?
AVIF is normally lossy (a lossless mode also exists); at high quality settings the difference is invisible for photos.
When should you convert AVIF?
AVIF is often half the size of JPG at the same visual quality. If the app or device you need doesn't accept AVIF, convert it to JPG or PNG — the most widely supported alternatives.
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AVIF at a glance
- Full name
- AV1 Image File Format
- Developed by
- Alliance for Open Media
- Introduced
- 2019
- Contains
- AV1 intra-frame compression, HDR and alpha
- MIME type
- image/avif
- Best for
- high-performance websites