Portable Bitmap (.pbm)
The PBM which stands for Portable Bit-Map is a simple structured monochrome raster image format designed by Jef Poskanzer in the 1980s. It was intended to transmit bitmaps over the email messages as the plain ASCII text.
The PBM which stands for Portable Bit-Map is a simple structured monochrome raster image format designed by Jef Poskanzer in the 1980s. It was intended to transmit bitmaps over the email messages as the plain ASCII text.