Convert hdiff to pcx Online: hdiff2pcx

You can use Tom's Editor to easily convert images from
Horizontal difference image .HDIFF to ZSoft Paintbrush .PCX.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

HDIFF

Horizontal difference image is an image format with extension HDIFF.

PCX

ZSoft Paintbrush is an image format with extension PCX.