Free STL Converter
Lightning-fast STL conversion — 100% in your browser. Your files never leave your device. Free, no watermark, no sign-up.
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Supports GLB, GLTF, OBJ, STL, FBX, PLY
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Convert STL to other formats
Pick a target format to convert your STL files into.
Convert other formats to STL
Convert from another 3D format into STL.
What STL supports
| Feature | STL |
|---|---|
| Geometry | |
| Textures | |
| Materials | |
| Animation | |
| Rigging |
About STL
STL is the de-facto standard for 3D printing and CAD interchange. It represents only the surface mesh as raw triangles — no textures, no materials, no animation. Its minimalism is its strength: every slicer and CAD package reads STL without configuration.