+---------+ | guetzli | +---------+ Generates images typically 20-30% smaller than images of equivalent quality generated by libjpeg. Generates only sequential (nonprogressive) JPEGs due to faster decompression speeds they offer. https://github.com/google/guetzli Guetzli JPEG compressor. Usage: guetzli [flags] input_filename output_filename Flags: --verbose - Print a verbose trace of all attempts to standard output. --quality Q - Visual quality to aim for, expressed as a JPEG quality value. --memlimit M - Memory limit in MB. Guetzli will fail if unable to stay under the limit. Default is 6000 MB --nomemlimit - Do not limit memory usage.