Convert pix to pnm Online: pix2pnm
You can use Tom's Editor to easily convert images from
GRF, MAX, P41, PIX .PIX to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
PIX
GRF, MAX, P41, PIX is an image format with extension PIX.
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.