This program is part of Netpbm(1).
ppmnorm was replaced in Netpbm 9.25 (March 2002) by pnmnorm(1).
pnmnorm is backward compatible with ppmnorm except that for PBM and PGM input, it produced PBM and PGM output.
This manual page was generated by the Netpbm tool 'makeman' from HTML source. The master documentation is at