ImgvToPgm: convert between Palm Pilot Images and Portable Graymaps
Palm Pilot Image Viewer to PGM Converter, for converting Pilot Image and from Portable Graymaps and Portable Bitmaps. The tools support grayscale and monochrome images with or without compression and with or without notes. Palette fixing and other image manipulation tasks are left to other programs.
If you download the Setup version of the package, the dependencies, as listed below under Requirements, are already included, apart from msvcrt.dll. If you download the package as Zip files, then you must take care of the dependencies yourself.
General Installation Instructions