Convert hpc to pnm Online: hpc2pnm

You can use Tom's Editor to easily convert images from
Hi-Pic Creator .HPC to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

HPC

Hi-Pic Creator is an image format with extension HPC.

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.