OBJ to STL Converter

STL is what 3D printers and slicers expect. This free OBJ to STL converter runs entirely in your browser, so your files are never uploaded.

OBJ is a simple 3D geometry format almost every 3D app supports. STL is the standard format for 3D printing.

How to convert OBJ to STL: Choose your OBJ file, or drop it onto the converter. The output is already set to STL. Convert and download your STL file.

Is this OBJ to STL converter free? Yes. It's free to use, with no sign-up and no watermark.

Are my files uploaded? No. The conversion runs in your browser, so your files never leave your device.

What changes when I convert OBJ to STL? STL stores geometry only, without colour or materials.

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