Free Online PNM to SUN Converter

A bitmap image in the Portable Any Map format that was originally developed for processing and storing several types of monochrome and color images without compression as well as grayscale images. Bitmap graphics data in a PNM file are stored using ASCII or binary structure.

This is a bitmap image format that is used on Sun Microsystems workstations running the Sun Unix operating system. It is used for some types of research. This format does not support transparency settings. It supports full-color and grayscale images.