Convert hip to pnm Online: hip2pnm
You can use Tom's Editor to easily convert images from
Hard Interlace Picture .HIP to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
HIP
Hard Interlace Picture is an image format with extension HIP.
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.