Convert mon to pnm Online: mon2pnm

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

Go to Tom's Editor

MON

Mono Magic is an image format with extension MON.

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.