The Portable Bitmap Utilities consists of Portable Greymap Utilities (PGM), Portable Pixmap Utilities (PPM), and Portable Anymap Utilities (PNM). Their source is the UNIX environment.
File constants associated with this file format are:
| Constant | Read Support | Write Support | Description |
| PbmBinary | 1 BPP | 1 BPP | Portable Bitmap - Binary File. |
| PbmAscii | 1 BPP | 1 BPP | Portable Bitmap - ASCII File. |
| PgmBinary | 8 BPP (Grayscale) | 8 BPP (Grayscale) | Portable Greymap - Binary File. |
| PgmAscii | 8 BPP (Grayscale) | 8 BPP (Grayscale) | Portable Greymap - ASCII File. |
| PpmBinary | 24 BPP | 24 BPP | Portable Pixelmap - Binary File. |
| PpmAscii | 24 BPP | 24 BPP | Portable Pixelmap - ASCII File. |
Required DLL: Leadtools.Codecs.Pbm.Dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application .
Related Formats: BMP - Windows Bitmap Formats.