.TH pbmextras 1 "23 September 1994" .SH NAME pbmextras - additions to extended portable bitmap toolkit .SH DESCRIPTION .PP PBMPLUS is a toolkit for converting various image formats to and from portable formats, and therefore to and from each other. The idea is, if you want to convert among N image formats, you only need 2*N conversion filters, instead of the N^2 you would need if you wrote each one separately. .PP In addition to the converters, the package includes some simple tools for manipulating the portable formats. .PP PBMEXTRAS is a set of unofficial additions to PBMPLUS. .SH "SEE ALSO"