Utilities · STL Viewer

STL Viewer

Inspect any STL file directly in your browser — no slicer, no install. Drag and drop to load, then rotate, zoom, and inspect. View dimensions, triangle count, and estimated volume.

Load File
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Drop STL here, or click to browse
Binary & ASCII formats · Any size
Display
⬡
Drop an STL file to preview it
in 3D — drag to rotate, scroll to zoom

Volume estimate — Calculated using the signed-volume (divergence theorem) method on the STL triangle mesh. Accurate for watertight (manifold) meshes. Open or self-intersecting meshes may give incorrect values — check your slicer's reported volume for comparison. Performance — Very large STL files (>100 MB) may take several seconds to load. The geometry is parsed entirely in your browser; nothing is uploaded to any server.

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