avifenc

AV1 Image File Format (AVIF) encoder. More information: https://aomediacodec.github.io/av1-avif/.

• Convert a specific PNG image to AVIF:

avifenc path/to/input.png path/to/output.avif

• Encode with a specific speed (6=default, 0=slowest and 10=fastest):

avifenc --speed 2 path/to/input.png path/to/output.avif