FreeCAD Online: Free Browser-Based 3D CAD Editor
Use FreeCAD online to build parametric 3D models with the familiar desktop interface and workbenches, directly in your browser with no software installation.
FreeCAD online workspace
Open full screenUse FreeCAD online without an installation
FreeCAD Web brings the open-source FreeCAD application online by compiling it to WebAssembly. This browser-based editor includes the OpenCASCADE geometry kernel, interactive 3D viewport, embedded Python, and workbenches for Part, Sketcher, Part Design, Draft, CAM, BIM, FEM, and more.
Model
Sketch, constrain, and build history-based solid geometry.
Open
Load FCStd, STEP, IGES, and BREP files from your device.
Save
Download the active document as a local FCStd file.
FreeCAD online FAQ
Can I use it without installing FreeCAD?
Yes. This experimental browser port lets you run FreeCAD online without installing the desktop application. Your first visit requires a large runtime download.
Which CAD files can I open?
Open FCStd, STEP, IGES, and BREP files from your device. You can save the active document locally as an FCStd file when you finish editing.
Which browsers are supported?
Use Chrome 137+, Edge 137+, or another recent Chromium-based desktop browser. Firefox, Safari, and mobile browsers are not currently supported.