Input
glTF JSON
The text flavour of glTF. Geometry and textures live in separate files next to it.
glTF to STL converter
Convert glTF to STL for free, directly in your browser. Files are never uploaded — everything runs on your own machine. No sign-up, no software to install.
Output
Stereolithography
The 3D printing format: triangles only, no colour, UV or hierarchy. Every slicer understands it.
- For .gltf files textures live as separate files, so only geometry and materials come through.
- STL stores triangles only, so colour, textures and UV coordinates are not carried over.
- The object hierarchy collapses into one solid mesh — that is what the format requires.
- The model is rotated Z-up automatically, the way slicers expect it.
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