Convert mrw to dds Online: mrw2dds

You can use Tom's Editor to easily convert images from
Sony (Minolta) Raw Image File .MRW to Direct Show Surface .DDS.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

MRW

Sony (Minolta) Raw Image File is an image format with extension MRW.

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.