STL Converter/convert/stl-to-obj
Browser converter·no upload

STL to OBJ, in your browser.

Drop an .stl and pull out a Wavefront .obj — ready for Blender, Maya, Cinema 4D, Unity.

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Drop your .stl file
or click to browse · local only

100% local · file never leaves your browser

// about

STLOBJ: what changes.

STL is great for printing, awkward for editing. OBJ is the universal mesh format for 3D software — every DCC tool reads it. Converting unlocks UV mapping, sculpting, retopology and rendering workflows.

The triangulation is preserved exactly. Vertex normals are recomputed for smooth shading on import.

Fully private

The file is parsed in WebAssembly + WebGL on your device. Nothing leaves.

Instant

No queue, no upload. Most files convert in well under a second.

Inspect before download

Orbit, pan and zoom the result in real time before you commit.

// faq

Frequently asked

Will I get a .mtl file too?

No — STL has no material data, so there's nothing to put in an .mtl. Apply materials in your 3D software after import.

Are UVs included?

STL has no UVs, so the OBJ comes without them. Unwrap in Blender after import.

Is the OBJ smaller than the STL?

Usually a bit larger (text vs binary), but it gzips well.