ppmtosixel
Convert a PPM image to DEC sixel format. tldr-pages
On several platforms
Several platforms
Convert a PPM image to DEC sixel format
ppmtosixel path/to/file.ppm >path/to/file.sixelIdentifyProduce an uncompressed SIXEL file that is much slower to print
ppmtosixel -raw path/to/file.ppm >path/to/file.sixelIdentifyAdd a left margin of 1.5 inches
ppmtosixel -margin path/to/file.ppm >path/to/file.sixelIdentifyEncode control codes in a more portable (although less space-efficient) way
ppmtosixel -7bit path/to/file.ppm >path/to/file.sixelIdentify