ppmtosixel

Convert a PPM image to DEC sixel format. More information: https://netpbm.sourceforge.net/doc/ppmtosixel.html.

ppmtosixel path/to/file.ppm > path/to/file.sixel

ppmtosixel -raw path/to/file.ppm > path/to/file.sixel

ppmtosixel -margin path/to/file.ppm > path/to/file.sixel

ppmtosixel -7bit path/to/file.ppm > path/to/file.sixel