免费在线 PNM 转 XPM 转换器

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 an image file format written in textual form in the C language. It is used in the X Windows System interface for remote connections, which is designed to serve clients and servers. This format can be used to store color and monochrome images.