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STL Viewer

Online STL viewer. Drag-and-drop or load from URL to quickly preview geometry and scene setup.

Open and Inspect STL Models

Online STL viewer. Drag-and-drop or load from URL to quickly preview geometry and scene setup.

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STL Viewer loading

Fast Model Loading

Drag-and-drop STL files or paste a URL to load models instantly.

  • Drag & Drop

    Drop your .stl file to preview immediately.

  • Load from URL

    Preview remote STL files via a shared link.

  • Large File Support

    Optimized loading path for sizable models.

Display and share

Display & Share

Take snapshots and share your view. Export options coming soon.

  • Snapshot

    Capture the current viewport as an image.

  • Share Link

    Quickly share your model view with others.

  • Export Options

    Additional export formats planned.

FAQ

STL Viewer Frequently Asked Questions

Common questions about loading and inspecting STL files.

1

How do I open an STL file?

Click 'Open STL File' to choose a local file, or paste a URL to preview a remote file.

2

I expected materials—why don't I see any?

STL is geometry-only and does not include materials or textures.

3

Is my file uploaded to a server?

No. Files opened locally are processed in your browser only.

4

Which formats are supported?

This page focuses on STL; consider GLB/glTF/FBX/PLY/DAE viewers for other formats.

Open Your STL File Online

Load STL models and inspect geometry and scale with ease.