3D File Viewer
Upload and preview your 3D models in various formats including OBJ, STL, FBX, GLTF, GLB, PLY, DAE, 3DS, and VRML
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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.