Convert pmd to pnm Online: pmd2pnm
You can use Tom's Editor to easily convert images from
PMG Designer by Karpowicz .PMD to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
PMG Designer by Karpowicz is an image format with extension PMD.
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.