Convert mc to pnm Online: mc2pnm
You can use Tom's Editor to easily convert images from
Multicolor 8x1 .MC to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Multicolor 8x1 is an image format with extension MC.
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.