Diagrams & Planning Studio — Free & Private

3D viewer, room planner, perspective and hex grids, packaging nets, wireframes, org charts, mind maps and family trees.

Runs 100% in your browser: your files and data never leave your device. No signup, no ads.

Tools in Diagrams & Planning Studio

3D Object Viewer (OBJ/STL): Rotate and inspect 3D files in WebGL
Room Layout Planner: 2D drag-and-drop floor plan + furniture arrangement
Drawing Grid Generator: Perspective (1-point and 2-point), isometric and hex grids exported as SVG or PDF
3D Packaging Net Generator: Box dimensions → foldable net printable PDF
Wireframe Prototyper: Drag-drop basic UI components into lo-fi wireframes
Org Chart Builder: Names + roles → visual org chart
Mind Map Builder: Hierarchical text → visual mind map with draggable nodes
Family Tree Builder: Basic family tree, localStorage only