From Just Solve the File Format Problem
Sixel is a raster graphics format used by some DEC terminals and printers. It consists of control codes and data such that, when printed to the terminal, an image will be displayed.
Sixel files begin with
0x90 (DCS), or
0x1B 0x50 (Esc P).
- ImageMagick (starting with v6.8.9-9)
- Netpbm: ppmtosixel (write-only)
- Farbfeld Utilities (write only)