3MF to STL converter
To convert 3MF to STL, drop your 3MF 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.
Convert to
Converted on this device, never uploaded
What changes
| 3MF to STL | What happens |
|---|---|
| Objects | All, with their transforms |
| Units | Kept in millimetres |
| Colours | Left out: STL has none |
How to convert 3MF to STL
- Add your 3MF. Drop the file in the box, or click to choose it. It becomes STL 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 STL.
Why STL
Older slicers and many tools take only STL. Every object on the 3MF’s build plate is kept, in place.
Questions
Yes: the build plate transforms are applied.
No. The conversion happens right in your browser, so your file stays on your device. There is no account to make, either.