Convert mis to pnm Online: mis2pnm

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

Go to Tom's Editor

MIS

Atari MIS is an image format with extension MIS.

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.