STL to OBJ converter
To convert STL to OBJ, drop your STL file in the box below. It converts straight away; press Download to save the OBJ. It all happens in your browser, so your file stays on your device.
Convert to
Converted on this device, never uploaded
What changes
| STL to OBJ | What happens |
|---|---|
| Geometry | Every triangle kept |
| Colours | Written to an .mtl when the STL has them |
| Units | Kept as they are |
How to convert STL to OBJ
- Add your STL. Drop the file in the box, or click to choose it. It becomes OBJ straight away.
- Check the result. Look at the preview and the size. The defaults are right for most files.
- Download. Press Download to save the OBJ.
Why OBJ
OBJ opens in every 3D app and game engine; STL is mostly for printing.
Questions
No: the same triangles, written as OBJ.
No. The conversion happens right in your browser, so your file stays on your device. There is no account to make, either.