3D Model AnalyzerNEW
Inspect mesh counts, triangles, materials and spot modelling problems
Checking your access…
Whether a model runs smoothly, or whether it survives the trip into an engine, usually comes down to a few hard numbers: how many triangles it has, whether the mesh shattered into hundreds of pieces, whether materials and textures are complete, and whether the geometry contains degenerate triangles and duplicate vertices. The AllFreeTool 3D Model Analyzer lays all of that out and hands you an actionable report.
The tool parses the model and totals the meshes, nodes, triangles, vertices, materials, textures and animations, then measures the bounding box in world space. From there it inspects every mesh for seven common problems: missing normals, missing UVs, non-triangle faces, empty geometry, degenerate triangles, heavy vertex duplication and absent materials. Each finding is labelled with a severity level and a plain-language reason.
Why use 3D Model Analyzer on AllFreeTool?
Scale Statistics
Meshes, nodes, triangles, vertices, materials, textures, animations and bounding-box volume in one view.
Per-Mesh Health Check
Seven checks pinpointed on each mesh: no normals, no UVs, non-triangle faces, empty geometry, degenerate faces, duplicate vertices, no material.
Face-Count Ranking
The mesh table is sorted by triangle count so the objects costing you the most are at the top.
Analysed Locally
The model is parsed and checked in browser memory and released as soon as the report is done.
How to use 3D Model Analyzer
Choose a Model
Upload a glTF, GLB, OBJ, STL, PLY or 3MF file by clicking or dragging it in.
Start the Analysis
The tool parses the model and computes the statistics and health checks — a large model takes a few seconds.
Act on the Report
Work through the issue list and the face-count ranking, fix them in your modelling software, then check again.
Common questions
What does missing normals actually affect?＋
Without normals the renderer cannot compute lighting correctly, so surfaces fall back to flat per-face shading and the model looks chopped into hard-edged polygons. Most modelling packages can fix this by recalculating normals before export.
Why should I care about duplicate vertices?＋
Vertices sharing the exact same coordinates still consume memory and GPU bandwidth. Large numbers of them usually mean a modelling slip or a missing vertex-merge step before export. Merging them often shrinks the file noticeably with no visible change.
How many triangles is too many?＋
It depends on the target. Real-time web and mobile rendering usually wants to stay under 100k triangles; desktop games can often handle 500k to 1M; offline film rendering can go far higher. Treat those as rough guidance and factor in material count, texture sizes and the actual device.
Is the bounding box the model's real size?＋
It is measured from the geometry after every transform is applied, so scaling, rotation and translation are all included. It is an axis-aligned box though, so a model with a skewed transform will report a slightly larger extent than the shape itself.