There are a lot of Gimp plugins, and it can be hard to determine which one is used for which file extension. Here’s a list of the most common Gimp plugins and their file extensions: GIMP Plugin File Extension Description .gimp Image File The .gimp plugin is used to create and edit images. It has a number of files, including the gimp-plugin.exe and gimp-plugin_2.dll files. These files are used to create the user interface for GIMP, as well as to load other plugins into GIMP. .gpm Graphic Package Manager The .gpm plugin is used to manage graphic packages in GIMP. It has a number of files, including the gpm-plugin.exe and gpm-plugin_2.dll files. These files are used to manage graphics resources in GIMP, as well as to load other plugins into GIMP.