GIMP is a powerful open-source raster graphics editor, but its default format support excludes DDS—a proprietary Microsoft format for textures. Game artists and modders need DDS support to create mipmapped, compressed textures without leaving GIMP. Plugins bridge this gap by adding DDS import/export capabilities.
For most users on GIMP 2.10+, no manual installation is required. You can manage DDS files through standard menus: gimp plugins dds