Convert mch to pnm Online: mch2pnm

You can use Tom's Editor to easily convert images from
Atari MCH .MCH to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

MCH

Atari MCH is an image format with extension MCH.

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.