3D Manufacturing Format
A modern 3D printing format that can carry units, color and materials.
- Type
- 3D
- Best for
- modern 3D printing
No account · no upload · no watermark
Convert 3MF to STL. Completely free.
Drop your 3MF and get an STL back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
3MF to STL converter
Stereolithography
The standard format for 3D printing, which stores only the surface triangles.
- Type
- 3D
- Best for
- 3D printing
What to expect
STL stores only the surface, so materials, textures and animation are left out. You can set the up axis and units before exporting, which matters for slicers.
How to convert 3MF to STL
- Drop your 3MF on this page, with any texture and material files.
- STL is already selected. Check the model in the viewer and set the axis or units if needed.
- Press Convert, orbit the result, then download.
Questions
Is this 3MF to STL converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Drop what you need into the tool on this page, and it lists exactly what it will do first.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about 3MF to STL?
STL stores only the surface, so materials, textures and animation are left out. You can set the up axis and units before exporting, which matters for slicers.
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Ready to convert your 3MF?
- Completely free
- Nothing uploaded
- No account
- No watermark