SKM file format is used by SketchUp software to store texture data, including property files in XML format, JPG texture image and PNG thumbnail image file. SKM files are compressed in ZIP format and therefore to view archive contents one needs to unpack it using a zip-compatible software.

SketchUp software was created by Google and enables user to create computer graphics. SKM file stores 2D graphic images that can be applied to 3D models and structures. The appropriate function is accessed from Materials panel of the program. SKM file are supported by Windows and MacOS systems. The files are stored in applications installation subfolders (paths depend on system type in question).