Convert gr8 to dds Online: gr82dds
You can use Tom's Editor to easily convert images from
Atari GR8 .GR8 to Direct Show Surface
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Atari GR8 is an image format with extension GR8.
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.