Tom's Editor BLOG

Convert dds to hdr Online: dds2hdr

You can use Tom's Editor to easily convert images from
Direct Show Surface .DDS to Radiance RGBE image .HDR.
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.

HDR

Radiance RGBE image is an image format with extension HDR.