Free tools for converting GLTF 3D models include open-source software, CLI tools, and online platforms, supporting GLTF to/from OBJ, FBX, or USD for game development, AR/VR, or 3D printing.
- **Blender**: Open-source 3D software with built-in GLTF import/export—ideal for editing and converting models. - **glTF Transform**: Lightweight CLI/JavaScript tool for fast format changes. - **MeshLab**: Focuses on mesh processing while handling GLTF conversion. - **Online Options**: Convertio or FreeConvert let you drag-and-drop files without installation.
These tools cover most needs, from detailed 3D work to quick online processing.