Convert dds to bmp Online: dds2bmp

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

Go to Tom's Editor

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.

BMP

Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.