AVIF
formatsAV1 Image File Format — a modern image format based on the AV1 video codec offering superior compression
Pronunciation
Correct
AY-vif
/ˈeɪvɪf/
The Alliance for Open Media, which developed the AV1 codec underlying AVIF, uses 'AY-vif' in presentations and documentation. The format name is treated as a pronounceable acronym.
Source: aomediacodec.github.io(official spec)
Accepted Variants
Accepted Variant
A-V-I-F
/eɪ viː aɪ ɛf/
Some developers spell it out letter by letter, particularly in formal technical contexts. Both are understood.