CAD & 3D
3MF to OBJ Converter
Convert 3MF files to OBJ online. Extract mesh geometry and objects locally in your browser without uploading files.
Tool
Convert 3MF files to OBJ online. Extract mesh geometry and objects locally in your browser without uploading files.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free online 3MF to OBJ Converter to transform 3MF manufacturing models into Wavefront OBJ files for editing, visualization, rendering, and use in other 3D applications. Open the 3MF package, inspect its objects and dimensions, apply available build and component transforms, and export the mesh geometry. Some 3MF-specific features cannot be represented by OBJ and may be omitted. Conversion runs directly in your browser, so your model remains on your device.
Examples
- multi-object.3mf
Frequently Asked Questions
Why convert 3MF to OBJ?
OBJ is supported by a wide range of 3D modeling, rendering, animation, and visualization applications. Converting to OBJ can make a 3MF model easier to edit outside a 3D printing workflow.
Can separate 3MF objects remain separate?
Yes. When the 3MF package contains identifiable objects or components, the converter can preserve them as separate OBJ objects or groups where possible.
Can colors and materials be preserved?
No. This converter writes OBJ geometry only. 3MF material resources, advanced production extensions, textures, and print-specific properties are not exported as MTL files.
Will the model dimensions remain the same?
Yes. The converter can apply the unit defined in the 3MF file so that the OBJ coordinates represent the intended dimensions. Because OBJ unit handling varies between applications, you should verify the scale after import.
What information can be lost during conversion?
3MF metadata, build-plate placement, object instances, thumbnails, slicer settings, production data, and advanced material properties may not have direct OBJ equivalents.
Does the converter repair the mesh?
No. The geometry is transferred to OBJ, but existing holes, overlapping faces, self-intersections, or non-manifold areas may remain.
Is my 3MF file uploaded?
No. The 3MF package is processed and converted locally in your browser.