Convert 3MF to STL
Convert 3MF to STL online for free. No signup required. Your files upload over an encrypted connection and are deleted after 2 hours.
Free
no account needed
Frankfurt
stored in the EU
2 hours
then files are deleted
New conversion
Any format in, the right format out
Drag and drop your files here, or import from:
Upload files up to 100 MB in 3MF
How to convert 3MF to STL
Everything happens on this page, in any modern browser, with nothing to install.
Upload your 3MF file
Drag and drop your 3MF file or browse from your device, Google Drive, Dropbox, or OneDrive.
Convert to STL
Press Convert. To convert several 3MF files at once, add them all first.
Download your STL
Most files are ready in seconds.
What you get when you convert 3MF to STL
Each 3MF file you add comes back as its own download, under its original name.
- 01
With several results, Download all saves them all with one click.
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If one file in a batch fails, the others still finish, and the result says what went wrong.
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Your STL file converts on to OBJ, PLY, GLB and 5 more here.
What 3MF and STL files are
3MF
3MF (3D Manufacturing Format) is the 3D printing format of the 3MF Consortium, founded in 2015 by Microsoft and other industry members. A 3MF file is a ZIP package holding the model in XML with its units, colours, materials and the placement of every object on the build plate, and it is the project format of slicers such as PrusaSlicer, Bambu Studio and Cura.
STL
STL is the standard file format for 3D printing. It describes a model's surface as a mesh of triangles without colour, texture or units, which keeps it simple and universally supported by slicers and CAD software.
Convert your 3MF files to other formats
Choose a target format below to convert your 3MF files quickly and easily.
3MF to OBJ
OBJ is a plain-text 3D geometry format from Wavefront.3MF to PLY
Convert 3MF files to PLY format.3MF to GLB
Convert 3MF files to GLB format.3MF to GLTF
Convert 3MF files to GLTF format.3MF to DAE
Convert 3MF files to DAE format.3MF to FBX
Convert 3MF files to FBX format.3MF to X3D
Convert 3MF files to X3D format.3MF to 3DS
Convert 3MF files to 3DS format.
Convert other files to STL
Select a source format below to convert files to STL.
DXF to STL
Convert DXF files to STL format.OBJ to STL
OBJ is a plain-text 3D geometry format from Wavefront.PLY to STL
Convert PLY files to STL format.GLB to STL
Convert GLB files to STL format.GLTF to STL
Convert GLTF files to STL format.FBX to STL
Convert FBX files to STL format.DAE to STL
Convert DAE files to STL format.3DS to STL
Convert 3DS files to STL format.X to STL
Convert X files to STL format.AMF to STL
AMF is an XML format for 3D printing standardized as ISO/ASTM 52915.OFF to STL
Convert OFF files to STL format.X3D to STL
Convert X3D files to STL format.
Frequently asked questions
Still have questions? Contact support.
Is it free to convert 3MF to STL?
Yes, converting 3MF to STL is completely free. You can convert files up to 100 MB and up to 10 files per batch, and no signup or account is required.
Will converting 3MF to STL affect the quality?
Our converter preserves the original quality of your 3MF files during the conversion to STL. The output maintains formatting, layout, and visual fidelity as closely as possible.
Can I convert multiple 3MF files to STL at once?
Yes. You can convert up to 10 3MF files to STL in a single batch. Drag and drop all the files at once, and Novitora processes them together.
Is my data safe when converting 3MF to STL?
Your files upload to Novitora servers over an encrypted TLS connection and are automatically deleted 2 hours after upload. Data is stored in the EU (Frankfurt), and we follow SOC 2-aligned security practices.
What devices can I use to convert 3MF to STL?
Novitora works in any modern web browser on desktops, laptops, tablets, and phones. There is nothing to install: open the page, upload your 3MF file, and download the STL.