Convert pmg to pnm Online: pmg2pnm

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

Go to Tom's Editor

PMG

Paint Magic is an image format with extension PMG.

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.