LOW  |  | |
| Name | Universal 3D File | GL Transmission Format |
| File extension | .u3d | .gltf, .glb |
| Original software | ||
| Binary | ■ | ■ |
| ASCII | ■ | |
| Polygonal | ■ | ■ |
| NURBS | ||
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | 3D Industry Forum, Ecma International | Khronos Group |
| Description | ||
| Specification | Universal 3D File Format | |
| Format features | Attempt to create a universal format for the exchange of 3D-data, including for publishing on the Internet. One of the successors of obsolete format WRL (VRML) | Supports 3D model geometry, appearance, scene graph hierarchy, and animation. A .gltf file may be self-contained or may reference external binary and texture resources, while a .glb file is entirely self-contained |
| Viewing software | GLC_Player (free), MeshLab (free) | Paint 3D, MS Office etc |
