Stereolithography
The standard format for 3D printing, which stores only the surface triangles.
- Type
- 3D
- Best for
- 3D printing
No account · no upload · no watermark
Convert STL to GLB. Completely free.
Drop your STL and get a GLB back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
STL to GLB converter
Binary glTF
A single-file 3D format for the web, AR and games.
- Type
- 3D
- Best for
- the web, AR and game engines
What to expect
Geometry, materials, textures and animation carry over where both formats support them. Both views orbit together so you can compare them before downloading.
How to convert STL to GLB
- Drop your STL on this page, with any texture and material files.
- GLB is already selected. Check the model in the viewer and set the axis or units if needed.
- Press Convert, orbit the result, then download.
Questions
Is this STL to GLB converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Drop what you need into the tool on this page, and it lists exactly what it will do first.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about STL to GLB?
Geometry, materials, textures and animation carry over where both formats support them. Both views orbit together so you can compare them before downloading.
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Ready to convert your STL?
- Completely free
- Nothing uploaded
- No account
- No watermark