Convert inp to pnm Online: inp2pnm
You can use Tom's Editor to easily convert images from
Atari INP .INP to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
INP
Atari INP is an image format with extension INP.
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.