Convert dds to hpc Online: dds2hpc

You can use Tom's Editor to easily convert images from
Direct Show Surface .DDS to Hi-Pic Creator .HPC.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

DDS

DDS are files invented by Microsoft to be used in games, mostly as textures. Images can be compressed to save space but the compression methods defined by DDS are all very fast in terms of coding and decoding.

HPC

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