3D model converter

OBJ to STL converter

To convert OBJ to STL, drop your OBJ file in the box below. It converts straight away; press Download to save the STL. It all happens in your browser, so your file stays on your device.

Converted on this device, never uploaded

What changes

OBJ to STLWhat happens
PolygonsSplit into triangles
PartsAll in one STL
ColoursLeft out: STL has none
OutputBinary STL, or ASCII on a switch

How to convert OBJ to STL

  1. Add your OBJ. Drop the file in the box, or click to choose it. It becomes STL straight away.
  2. Check the result. Look at the preview and the size. The defaults are right for most files.
  3. Download. Press Download to save the STL.
Why STL

Slicers for 3D printing take STL. Every part of the OBJ becomes triangles in one STL.

Questions

If the model is watertight. The file viewer checks that for you.

No. The conversion happens right in your browser, so your file stays on your device. There is no account to make, either.

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