Package jbigkit

JBIG1 lossless image compression tools

http://www.cl.cam.ac.uk/~mgk25/jbigkit/

The jbigkit package contains tools for converting between PBM and JBIG1
formats.

General Commands
Command Description
jbgtopbm JBIG1 to portable bitmap file converter
pbmtojbg portable bitmap to JBIG1 file converter