GLTF
GLTF 3D Model
GLTF (GL Transmission Format) is an open standard file format designed for the efficient transmission and loading of 3D scenes and models.
What is GLTF 3D Model?
Developed by the Khronos Group, GLTF minimizes the size of 3D assets and the runtime processing needed to unpack and render them. It supports geometry, materials, textures, animations, and skeletal structures, acting effectively as the 'JPEG of 3D' for web applications, game engines, and augmented reality (AR).
Advantages
- Compact file size optimized for fast web loading
- Open standard supported by major tech companies
- Combines JSON structure with binary data and textures
- Full support for PBR (Physically Based Rendering) materials
- Easily convertible to GLB, OBJ, STL, and FBX using ConvertX
Limitations
- Textures and external binary buffers can sometimes become detached if not properly packaged
- Not natively editable without specialized 3D software
- Less suitable for direct CAD manufacturing without conversion
How to open GLTF 3D Model files
Blender
Windows 3D Viewer
Autodesk Maya
Three.js
Babylon.js
Common use cases
- Embedding interactive 3D models in e-commerce web pages
- Rendering assets in web-based AR and VR experiences
- Transferring rigged characters and animations between game engines
- Quick 3D asset sharing and previewing across platforms
Explore other formats
Frequently asked questions
GLTF is an open standard that typically splits assets into a JSON file, binary buffer (.bin), and texture images. GLB is the binary container format that bundles all these components into a single file.
You can use ConvertX tools like gltf-to-obj, gltf-to-stl, or gltf-to-fbx to convert your GLTF models into formats compatible with other software.
Yes, GLTF was specifically designed for efficient transmission and rendering on the web, making it the industry standard for web-based 3D graphics.