CJXL(1) CJXL(1) (NAME) cjxl - JPEG XL (SYNOPSIS) cjxl [...] input [output.jxl] (DESCRIPTION) cjxl JPEG XL . . . : cjxl input.png output.jxl cjxl input.jpg output.jxl cjxl input.gif output.jxl (OPTIONS) -h, --help cjxl . . -v -v -v . -v, --verbose . --help . -d distance, --distance=distance . (JND) -d 0 -d 1 (distance) . ( JPEG GIF) JPEG . -d 1 . -q quality, --quality=quality . . libjpeg . -e effort, --effort=effort <<>> / . . : o 1 "lightning" o 2 "thunder" o 3 "falcon" o 4 "cheetah" o 5 "hare" o 6 "wombat" o 7 "squirrel" () o 8 "kitten" o 9 "tortoise" (EXAMPLES) # PNG JPEG XL . $ cjxl input.png output.jxl # . $ cjxl -d 2 input.png output.jxl # . . $ cjxl -d 0 input.png lossless.jxl $ cjxl -q 100 input.png lossless.jxl # JPEG. $ cjxl input.jpeg lossless-jpeg.jxl (SEE ALSO) djxl(1) 07/05/2026 CJXL(1)