Convert du2 to dds Online: du22dds

You can use Tom's Editor to easily convert images from
DU2 .DU2 to Direct Show Surface .DDS.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

DU2

DU2 is an image format with extension DU2.

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.