Convert mac to pnm Online: mac2pnm

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

Go to Tom's Editor

MAC

MacPaint is an image format with extension MAC.

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.