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AV1 Image File Format
File type: Bitmap image file
Files with avif extension are mainly related to the AV1 Image File Format, developed by AOMedia.
File type category:
Bitmap image file
Date updated: June 27, 2025
File extension avif is associated with the AV1 Image File Format, developed by Alliance for Open Media (AOMedia).
AOMedia develops royalty-free technology for multimedia delivery. AV1 is used to store picture images on websites. It is similar to HEIF/HEIC format.
Although Microsoft announced support for Windows 10, it still doesn't work in latest Windows automatically and you have to download the AV1 Video Extension (free) from Microsoft Store.
Several tools adopted AVIF format.
Paint.NET is probably your best option how to save these files to other formats.
Software applications that can edit avif files:
Microsoft Windows
Software capable of saving avif files:
Microsoft Windows
Programs for viewing avif files:
Microsoft Windows
Apple macOS / Mac OS X
Multiplatform
Software apps that convert avif files:
Multiplatform
Software apps that import avif files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
Software apps that export avif files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
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