Convert mgp to pnm Online: mgp2pnm

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

Go to Tom's Editor

MGP

Atari MGP is an image format with extension MGP.

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.