tldr/pages/common/cjxl.md

cjxl

Convert and compress images to JPEG XL. Accepted input extensions are PNG, APNG, GIF, JPEG, EXR, PPM, PFM, PAM, PGX, and JXL. More information: https://github.com/libjxl/libjxl/blob/main/doc/man/cjxl.txt.

• Convert an image to JPEG XL:

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

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

cjxl {{[-e|--effort]}} {{1..10}} {{path/to/image.ext}} {{path/to/output}}.jxl

• Convert with a specific quality:

cjxl {{[-q|--quality]}} {{0..100}} {{path/to/image.ext}} {{path/to/output}}.jxl

• Convert a JPEG to a JPEG XL with specific lossy quality:

cjxl {{[-q|--quality]}} {{0..100}} {{[-j|--lossless_jpeg]}} 0 {{path/to/image.jpeg}} {{path/to/output}}.jxl

• Display an extremely detailed help:

cjxl {{[-h -v -v -v -v|--help --verbose --verbose --verbose --verbose]}}