Input
Stereolithography
The 3D printing format: triangles only, no colour, UV or hierarchy. Every slicer understands it.
STL to GLB converter
Convert STL to GLB for free, directly in your browser. Files are never uploaded — everything runs on your own machine. No sign-up, no software to install.
Output
glTF Binary
Packed glTF: geometry, materials and textures in a single file. The standard 3D format for web and AR.
- STL carries no colour, so the result will be a single flat shade.
- GLB packs geometry, materials and textures into a single file.
- Animations from the source are not carried over in the current version.
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