CAD & 3D Tools
Inspect, measure, simplify and convert common CAD and mesh files including STL, STEP, 3MF and OBJ. Upload a model to preview geometry, calculate mesh properties or export it to another supported format.
Featured Tools
STL Viewer
Open and inspect STL models in an interactive 3D viewer.
TOOLSTEP Viewer
Open and inspect STEP and STP CAD models online.
TOOL3MF Viewer
Open and inspect 3MF models in your browser.
TOOLMesh Analyzer
Inspect the geometry, size, structure, and integrity of a 3D mesh.
TOOLSTEP to STL Converter
Convert STEP and STP CAD models into STL mesh files.
TOOLCAD File Converter
Convert STEP and STP CAD models into STL, OBJ, or 3MF files.
TOOLCategories
Analyze
Use Mesh Analyzer, Mesh Volume Calculator, and Mesh Surface Area Calculator for analyze tasks in CAD & 3D. Browser-based input and results.
SUBCATEGORYConvert
Use STEP to STL Converter, STEP to 3MF Converter, and STEP to OBJ Converter for convert tasks in CAD & 3D. Browser-based input and results.
SUBCATEGORYOptimize
Use Mesh Simplifier for optimize tasks in CAD & 3D. Browser-based input and results.
SUBCATEGORYView
Use STL Viewer, STEP Viewer, and 3MF Viewer for view tasks in CAD & 3D. Browser-based input and results.
SUBCATEGORYRelated Categories
About CAD & 3D Tools
The viewers preserve the source file for inspection, analysis tools report geometric properties, and converters create a new representation. Print & Plotter covers two-dimensional HPGL and DXF line work rather than solid or mesh workflows.