With Filestar you get 177 different skills for working productively with Portable Bitmap Image .(pbm) files.
About .Pbm
Name
Portable Bitmap Image
Extension
.pbm
Format
Binary
Category
Raster Image
Description
1-bit black and white image; formatted in text format; basic raster image format in which each pixel is represented by a byte that contains a 1 or 0; 1 represents black and 0 represents white pixels.