This tools aimes at viewing 3D files. As such it supports these very complete list of 3D formats as inputs: 3dm, 3ds, 3mf, amf, bim, brep, dae, fbx, FCStd, gltf, glb, ifc, iges, step, stl, obj, off, ply, wrl.
Many of these formats are supported both in ASCII and in binary encodings.
But as it also provides many output formats (3dm, bim, gltf, glb, stl, obj, off, ply), it can also be used as a convenient 3D file converter.
Free, No registration, No Download/Install required