Free 3D Model Viewer & Converter — glTF, OBJ, STL Online

This free 3D model viewer opens glTF/GLB, OBJ, STL, and PLY files in your browser with full orbit/pan/zoom, mesh and material inspection, wireframe views, and format conversion. Check an STL before printing, inspect a game asset, or convert OBJ to STL for a slicer — the geometry …

Powered by 3D Viewer · open source (MIT) · runs entirely on your device
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Quick Answer

This free 3D model viewer opens glTF/GLB, OBJ, STL, and PLY files in your browser with full orbit/pan/zoom, mesh and material inspection, wireframe views, and format conversion. Check an STL before printing, inspect a game asset, or convert OBJ to STL for a slicer — the geometry never leaves your device.

How It Works

1

Drop in a model file — it renders immediately

2

Orbit with the mouse; switch to wireframe to inspect

3

Check stats — vertex and triangle counts, materials

4

Convert to another format and save it locally

Key Facts

  • glTF/GLB, OBJ, STL, and PLY support
  • Orbit, pan, zoom with mesh stats and material inspection
  • Wireframe views
  • Local format conversion between all supported types
  • Zero upload — models stay on your device

Frequently Asked Questions

Can it convert OBJ to STL for 3D printing?

Yes — open the OBJ, check the mesh, and export STL locally. Pair it with the free online slicer for printing.

Does it need a powerful GPU?

No — the viewer renders on any modern GPU, even integrated graphics. Huge meshes simply load slower.

Are my models uploaded?

Never. Parsing, rendering, and conversion all happen in your browser.