Tom's Editor BLOG

Convert gif to hdiff Online: gif2hdiff

You can use Tom's Editor to easily convert images from
CompuServe Graphics Interchange Format .GIF to Horizontal difference image .HDIFF.
Tom's Editor is a free, online image manipulation and converter program.

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GIF

GIF images were created by Compuserve. They can used no more than 256 colors and a single color transparenty (no Alpha channel). Today are rare since they offer low quality and huge filesizes. GIF animations are still in use.

HDIFF

Horizontal difference image is an image format with extension HDIFF.