Command-line tool

jpeg-xl

brew/jpeg-xl

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

New file format for still image compression

Website

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

scoop install libjxl

macOS

brew install jpeg-xl

Linux

brew install jpeg-xl

Convert an image to JPEG XL

cjxl path/to/image.ext path/to/output.jxl

Convert a JPEG to JPEG XL without losing data

cjxl path/to/image.jpg path/to/output.jxl

Convert with a specific effort level ('1' - fastest but worst results, '10' - slowest but best results, '7' - default)

cjxl -e 1..10 path/to/image.ext path/to/output.jxl

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