djxl
Decompress JPEG XL images. tldr-pages
On several platforms
Several platforms
Decompress JPEG XL images. Accepted output extensions are PNG, APNG, JPEG, EXR, PGM, PPM, PNM, PFM, PAM, EXIF, XMP, and JUMBF.
Decompress a JPEG XL image to another format
djxl path/to/image.jxl path/to/output.extIdentifyBenchmark decoding speed
djxl path/to/image.jxl --num_reps repetitions --num_threads threads --disable_outputIdentifyDisplay an extremely detailed help
djxl --help --verbose --verboseIdentify