Image format comparison

WebP vs AVIF

AVIF can compress efficiently but is slower to encode; WebP has a mature compatibility and performance profile.

PropertyWebPAVIF

Extension.webp.avif

MIME typeimage/webpimage/avif

TransparencyYesYes

AnimationYesNo

Lossless modeYesYes

Lossy modeYesYes

Practical recommendation

Use WebP as a pragmatic default and evaluate AVIF with real images, browsers and encode-time constraints.