Free Online 3D Tools
Conversion, measurement, analysis and print calculations. Your file never leaves your device.
STL / OBJ / PLY / GLB / glTF / 3MF Core / DAE / FBX (ASCII) / 3DS / AMF / OFF
Universal 3D Model Viewer & Analyzer
Inspect verified 3D formats, hierarchy, dimensions and mesh facts locally.
Open tool →STL / OBJ / PLY / GLB / glTF / 3MF Core / DAE / FBX (ASCII) / 3DS / AMF / OFFUniversal 3D File Converter
Convert only verified 3D format pairs locally with independent output reopen and a receipt.
Open tool →STLSTL to OBJ Converter
Convert STL geometry to OBJ without uploading it.
Open tool →OBJOBJ to STL Converter
Triangulate OBJ faces and export a binary STL locally.
Open tool →PNG / JPEG / WebPImage to STL 2.5D
Create a closed 2.5D relief from image brightness.
Open tool →STLSTL Resizer
Scale uniformly or target an exact dimension.
Open tool →STLSTL Unit Converter
Convert assumed mm, cm, m and inch scales safely.
Open tool →STLBinary ↔ ASCII STL
Switch STL encoding while preserving geometry.
Open tool →STLSTL Repair & Printability Checker
Detect open edges, non-manifold edges and degenerate triangles.
Open tool →Calculator3D Print Cost Calculator
Estimate material, energy, machine, labour, waste and profit.
Open tool →