Convert pnm to xpm Online: pnm2xpm
You can use Tom's Editor to easily convert images from
Portable aNy Map .PNM to X Windows system pixmap .XPM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
PNM
PNM images are uncompressed 24 bit RGB images. Can cannot store Alpha channel. PNM images come in 2 types: binary and text. Especially popular on Linux.
XPM
X Windows system pixmap is an image format with extension XPM.