Convert cpi to pnm Online: cpi2pnm
You can use Tom's Editor to easily convert images from
Marco Pixel Editor .CPI to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Marco Pixel Editor is an image format with extension CPI.
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.