STL to GLB converter
To convert STL to GLB, drop your STL file in the box below. It converts straight away; press Download to save the GLB. It all happens in your browser, so your file stays on your device.
Convert to
Converted on this device, never uploaded
What changes
| STL to GLB | What happens |
|---|---|
| Format | glTF 2.0 binary |
| Colours | Kept when the STL has them |
| Viewer | Opens in any glTF viewer |
How to convert STL to GLB
- Add your STL. Drop the file in the box, or click to choose it. It becomes GLB straight away.
- Check the result. Look at the preview and the size. The defaults are right for most files.
- Download. Press Download to save the GLB.
Why GLB
GLB shows on the web, in AR and in game engines. The STL becomes one glTF binary file.
Questions
Yes: glTF is the web’s 3D format; model-viewer and three.js read it.
No. The conversion happens right in your browser, so your file stays on your device. There is no account to make, either.