STL to GLB converter
It runs in your browser. Nothing is uploaded.
STL to GLB
- Kept. shape.
- Size. Written in metres, from the unit of the file you open.
- Up axis. GLB stands on Y. The page stands the model up for you.
The two types
- STL. STL describes a surface as triangles and nothing else: no colour, no units. Slicers read its numbers as millimetres. Opened by Cura, PrusaSlicer, Bambu Studio, Blender, MeshLab and Fusion 360.
- GLB. GLB is glTF in one file: shape, materials, textures, bones and animation. Web viewers, AR, Unity, Godot and Blender all read it. Opened by Blender, Unity, Godot, Unreal, Windows 3D Viewer and any web browser with a viewer page.
Questions
How do I convert STL to GLB?
Drop the STL file on this page, check the size under What’s inside, and press Download GLB. It runs in your browser, so there is no upload and no wait.
What does STL to GLB keep?
Everything this page reads from STL fits in GLB: shape.
What size will the GLB be?
GLB counts in metres. An STL that is 40 mm long becomes 0.04 in GLB. The page guesses the unit of the STL from its size; change File is in under What’s inside if the guess is wrong.
Which way is up when I convert STL to GLB?
STL files stand on a Z axis and GLB stands on Y. The page stands the model up when it opens it, so the GLB comes out upright.
Is my file uploaded?
No. The file is opened and converted in your browser, and it stays on your device.
Is it free?
Yes. There is no account, no watermark and no limit on files.