jpegoptim v1.4.4 x86_64-pc-linux-gnu Copyright (c) 1996-2016, Timo Kokkonen libjpeg version: 8d 15-Jan-2012 Copyright (C) 1991-2017 The libjpeg-turbo Project and many others

jpegoptim v1.4.4 Copyright (c) 1996-2016, Timo Kokkonen Usage: jpegoptim [options] <filenames> -d<path>, --dest=<path> specify alternative destination directory for optimized files (default is to overwrite originals) -f, --force force optimization -h, --help display this help and exit -m<quality>, --max=<quality> set maximum image quality factor (disables lossless optimization mode, which is by default on) Valid quality values: 0 - 100 -n, --noaction don't really optimize files, just print results -S<size>, --size=<size> Try to optimize file to given size (disables lossless optimization mode). Target size is specified either in kilo bytes (1 - n) or as percentage (1% - 99%) -T<threshold>, --threshold=<threshold> keep old file if the gain is below a threshold (%) -b, --csv print progress info in CSV format -o, --overwrite overwrite target file even if it exists (meaningful only when used with -d, --dest option) -p, --preserve preserve file timestamps -P, --preserve-perms preserve original file permissions by overwriting it -q, --quiet quiet mode -t, --totals print totals after processing all files -v, --verbose enable verbose mode (positively chatty) -V, --version print program version -s, --strip-all strip all markers from output file --strip-none do not strip any markers --strip-com strip Comment markers from output file --strip-exif strip Exif markers from output file --strip-iptc strip IPTC/Photoshop (APP13) markers from output file --strip-icc strip ICC profile markers from output file --strip-xmp strip XMP markers markers from output file --all-normal force all output files to be non-progressive --all-progressive force all output files to be progressive --stdout send output to standard output (instead of a file) --stdin read input from standard input (instead of a file)