3D House Planner

3D House Planner is a free web app for designing houses and apartments. Draw walls, floors and roofs, furnish from a catalog, and see a live 2D plan alongside the 3D model. It exports formats including IFC4, DXF, GLB, OBJ, STL, SVG and PNG, and has optional AI tools for layouts and renders. No account or installation is needed and projects are saved in your browser.