CmdID

CmdID / Commands

cjxl

Convert and compress images to JPEG XL. tldr-pages

On several platforms

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Several platforms

from tldr-pages, CC BY 4.0

Convert and compress images to JPEG XL. Accepted input extensions are PNG, APNG, GIF, JPEG, EXR, PPM, PFM, PAM, PGX, and JXL.

Convert an image to JPEG XL

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

Convert a JPEG to JPEG XL without losing data

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

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

cjxl --effort 1..10 path/to/image.ext path/to/output.jxlIdentify

Convert with a specific quality

cjxl --quality 0..100 path/to/image.ext path/to/output.jxlIdentify

Convert a JPEG to a JPEG XL with specific lossy quality

cjxl --quality 0..100 --lossless_jpeg 0 path/to/image.jpeg path/to/output.jxlIdentify

Adjust decoding speed at the expense of filesize

cjxl --faster_decoding 0..4 path/to/image.ext path/to/output.jxlIdentify

Display an extremely detailed help

cjxl --help --verbose --verbose --verbose --verboseIdentify