Convert xpm to dds Online: xpm2dds

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

Go to Tom's Editor

XPM

X Windows system pixmap is an image format with extension XPM.

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.