Tom's Editor BLOG

Convert dds to cpt Online: dds2cpt

You can use Tom's Editor to easily convert images from
Direct Show Surface .DDS to Canvas (compressed) .CPT.
Tom's Editor is a free, online image manipulation and converter program.

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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.

CPT

Canvas (compressed) is an image format with extension CPT.