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Convert OBJ to STL

Turn OBJ files into STL online. Free, in-browser, no uploads.

3D model file

How to use
  1. Drop an STL, OBJ or PLY file.
  2. Choose output format (OBJ, STL, PLY or GLB).
  3. Download the converted model.
Format info

Converting OBJ to STL prepares a mesh for slicers and FDM/SLA printers. Frespy triangulates faces and exports binary or ASCII STL in your browser.

OBJ: OBJ is a common file format. Use Frespy to convert related formats free in your browser.

STL: STL is a common file format. Use Frespy to convert related formats free in your browser.