AVIF (AV1 Image File Format) is an image and animation file format, an extension of HEIF allowing images encoded with AV1. Most files will only have AV1-encoded images, but a mixture of different encodings is allowed. Early draft versions were named AV1 Still Image File Format.

Used in file types
  • .avif
  • .avifs
This type may also appear as
  • image/avif
Further reading
  1. Let's Solve the File Format Problem!

  2. Internet Assigned Numbers Authority (IANA)

  3. Wikipedia