Get exact vertex, edge, and face counts for STL, OBJ, and GLB files. Useful for performance budgeting in games, AR, and 3D printing.
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We parse the mesh and tally vertices, edges, and faces
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0 bytes uploaded. Vertex & Face Counter runs entirely in your browser using three.js and WebGL. Your meshes never leave your device.
STL stores each face as 3 unique vertices, so counts triple unless duplicates are welded. We report both the raw count and the unique (welded) count.
Web AR / mobile: under 100k triangles. Desktop game asset: 10k–500k. 3D print: any count works, but 5M+ slows slicers significantly. Use the Mesh Decimator if you're over budget.
For a closed manifold mesh, edges = (3 × faces) / 2. Anything else suggests the mesh is non-manifold. Run the STL Hole Repair tool to fix it.
Decimate STL/OBJ/GLB meshes to a target polygon count. Quadric-error simplification preserves silhouettes. Browser-based, no upload.
Open toolCompute the X/Y/Z bounding box of any STL, OBJ, or GLB mesh. Get exact print dimensions in mm — useful for fitting models to your printer bed.
Open toolStrip duplicate triangles and zero-area faces from STL/OBJ meshes. Smaller files, faster slicing, fewer printer errors.
Open tool