image/avif-sequence

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