# stl2gts > Convert STL files into the GTS (GNU triangulated surface library) file format. > More information: . - Convert an STL file to a GTS file: `stl2gts < {{path/to/file.stl}} > {{path/to/file.gts}}` - Convert an STL file to a GTS file and revert face normals: `stl2gts --revert < {{path/to/file.stl}} > {{path/to/file.gts}}` - Convert an STL file to a GTS file and do not merge vertices: `stl2gts --nomerge < {{path/to/file.stl}} > {{path/to/file.gts}}` - Convert an STL file to a GTS file and display surface statistics: `stl2gts --verbose < {{path/to/file.stl}} > {{path/to/file.gts}}` - Display help: `stl2gts --help`