Free 3D converter / glTF to GLB
Convert glTF to GLB, free and online
Turn a .gltf file into a .glb file. It runs in your browser: no sign-up and nothing to install, and most files never leave your computer.
Drop your glTF file here
or choose a file
Free · No sign-up · Converted in your browser · Files up to 1 GB
What you get: You get a single GLB with meshes, materials and textures, and animations when the file has them.
How to convert glTF to GLB
- 1Drop your .gltf file
On the converter above, or click to choose it. - 2Click Convert to GLB
The .glb file downloads straight away.
glTF vs GLB
glTF: glTF is the web's 3D format. A .gltf is JSON, often with a .bin and textures beside it; a .glb packs everything into one file.
GLB: GLB is binary glTF, the standard for 3D on the web: meshes, PBR materials, textures and animation in one file.
Other conversions
All conversions →Is the glTF to GLB converter free?
Yes, with no sign-up and no limit on the number of files. A free account is only needed if you want to send the model to someone for feedback.
Is my file uploaded?
Most files are read and converted right in your browser and never leave your computer. Very large CAD and mesh files are converted on our server instead, then deleted straight after the converted model is sent back to your browser.
What's the biggest glTF I can convert?
Up to 1 GB. Big files take longer, and very large CAD files go through our server, as above.
Converting it to send to a client or supplier?
Send them a link instead. They open the model in any browser, with no account and no CAD program, and click the spot they want changed.