Convert jpg to dds Online: jpg2dds
You can use Tom's Editor to easily convert images from
Joint Photographic Experts Group JFIF .JPG to Direct Show Surface
Tom's Editor is a free, online image manipulation and converter program.
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Joint Photographic Experts Group JFIF is an image format with extension JPG.
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.