Command line utility to convert images to AVIF
npm install avifCommand line utility to convert images to AVIF,
requires a Node-API v9 compatible runtime:
- Node.js 18.17.0+
- Deno
- Bun
By default, will search current directory for image files and create AVIF variants.
Exit code is non-zero if one or more errors occurred.
``sh`
npx avif
`sh`
pnpm dlx avif
`sh`
deno run --allow-ffi --allow-read npm:avif
`sh`
bun x avif
`sh`
yarn dlx avif
`
Options:
--input Input file name(s), supports globs/wildcards
[string] [default: "*.{jpg,jpeg,tif,tiff,webp,png,gif,svg}"]
--output Output directory, default is same directory as input
[string] [default: ""]
--quality Quality vs file size, 1 (lowest/smallest) to 100
(highest/largest) [number] [default: 50]
--effort CPU effort vs file size, 0 (fastest/largest) to 9
(slowest/smallest) [number] [default: 4]
--lossless Use lossless compression [boolean] [default: false]
--chroma-subsampling Set to '4:2:0' to use chroma subsampling
[string] [choices: "4:2:0", "4:4:4"] [default: "4:4:4"]
--keep-metadata Keep all metadata (EXIF, ICC, XMP, IPTC)
[boolean] [default: false]
--overwrite Allow existing output files to be overwritten
[boolean] [default: false]
--append-ext Append .avif to the file name instead of replacing
the current extension (foo.jpg => foo.jpg.avif)
[boolean] [default: false]
--verbose Write progress to stdout [boolean] [default: false]
-h, --help Show help [boolean]
--version Show version number [boolean]
`sh`
npx avif --verbose
`sh`
npx avif --input="*/.{jpg,jpeg}" --output="/another/path" --overwrite
`sh``
npx avif --input="images/." --effort=0 --quality=30 --keep-metadata