Convert mcpp to pnm Online: mcpp2pnm
You can use Tom's Editor to easily convert images from
Paradox .MCPP to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
MCPP
Paradox is an image format with extension MCPP.
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.