Convert dcx to dds Online: dcx2dds

You can use Tom's Editor to easily convert images from
ZSoft IBM PC multi-page Paintbrush image .DCX to Direct Show Surface .DDS.
Tom's Editor is a free, online image manipulation and converter program.

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DCX

ZSoft IBM PC multi-page Paintbrush image is an image format with extension DCX.

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.