Convert STL to 3MF Online

Turn your STL 3D model into a 3MF file in a few clicks—fast conversion with a simple upload and instant download.

Input (STL)
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Choose a 3D model file to convert
Output (3MF)
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3D preview will appear here

Convert STL to 3MF

Convert STL 3D models to 3MF format with a WebGL preview. Runs entirely in your browser via three.js loaders / exporters — no upload needed.

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