How to open STEP, IGES, STL, OBJ, GLB, IFC, FBX, 3DM files online
This tool integrates the Online 3D Viewer browser engine to inspect CAD, 3D printing, BIM, and general 3D models in one workspace. For OBJ and glTF models with external resources, select the material, BIN, and texture files together.
- Choose the model and any referenced material or texture files together.
- Wait for local format parsing, mesh generation, and texture loading.
- Orbit and zoom, switch projection or edges, and save a preview image when needed.
Why use this viewer
- CAD, BIM, printing, and general 3D formats in one viewer
- Your file is read and processed only in this browser tab. It is never uploaded to FreeTool servers.
- Local companion material, BIN, and texture files are supported
Compatibility and limitations
- Large assemblies and dense meshes can use substantial memory; smaller files are recommended on mobile devices
- A browser preview does not replace manufacturing dimensions, constraints, or engineering validation in professional CAD software
Frequently asked questions
Why is my OBJ or glTF texture missing?
Select its referenced MTL, BIN, and texture files together and keep the original file names.
Is the model uploaded to a server?
Your file is read and processed only in this browser tab. It is never uploaded to FreeTool servers.