avif-cli
Command line utility to convert images to AVIF, requires Node.js 12.13.0+
Usage
$ npx avifBy default, will search current directory for image files and create AVIF variants.
Exit code is non-zero if one or more errors occured.
Options
--input Input file name(s), supports globs/wildcards
[string] [default: "*.{jpg,jpeg,tif,tiff,webp,png,gif,svg}"]
--output Output directory
[string] [default: "/home/user"]
--quality Quality vs file size, 1 (lowest/smallest) to 100
(highest/largest) [number] [default: 50]
--speed CPU effort vs file size, 0 (slowest/smallest) to 8
(fastest/largest) [number] [default: 5]
--lossless Use lossless compression [boolean] [default: false]
--chromaSubsampling Set to '4:2:0' to use chroma subsampling
[string] [default: "4:4:4"]
--overwrite Allow existing output files to be overwritten
[boolean] [default: false]
--verbose Write progress to stdout [boolean] [default: false]
-h, --help Show help [boolean]
--version Show version number [boolean]
Examples
npx avif --verbosenpx avif --input="**/*.{jpg,jpeg}" --output="/another/path" --overwritenpx avif --input="images/*.*" --speed=0 --quality=30