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FloorGen

FloorGen

Draw the house, or just ask. Free floor plans with AI

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About FloorGen

FloorGen reads like it was built by someone who sat through one too many $300/hour CAD sessions and decided there had to be a better way. The pitch is direct: describe a floor plan in plain text, and FloorGen AI draws it. You can also trace from a photo or PDF, or just draw walls freehand. No install, no account, no card required. Plans save in your browser until you decide to sign in.

What makes this more than a novelty is the depth underneath the simple entry point. You're not sketching into a vacuum. Every wall you place feeds a live 3D model, a set of code checks, and a print-ready drawing set simultaneously. Change a wall and the room areas, the 3D view, and the exported sheets all update. The furniture library runs to about 3,000 models across 14 categories, and you can assign individual finishes per wall face or floor surface. For export, you get PDFs with a proper title block (scales from Letter up to ARCH D and A1), DXF R12 for CAD, PNG, SVG, glTF, and MP4 walkthroughs up to 1440p in 16:9, 9:16, or 1:1.

The tool is also wired for AI-native workflows in a way most design tools aren't. You can connect Claude, ChatGPT, Cursor, or any MCP client and give it access to 151 tools that read and write the actual drawing. Not a screenshot of it. Every change is undoable. That's a real architectural decision, not a marketing bullet. The honest ceiling: there's no photoreal rendering, no DWG export, no IFC, and no framing or MEP takeoffs. If you need any of those, FloorGen isn't your tool.

Key features

AI-generated floor plans from text prompts

Type a description, like '3-bed ranch with a 2-car garage'. And FloorGen AI produces a scaled floor plan you can immediately edit wall by wall.

Trace from a photo or PDF

Import any image or PDF of an existing plan, set the scale with two reference points, and FloorGen suggests the walls for you to accept or adjust.

Live 3D model tied to the 2D drawing

Every plan is simultaneously a 3D model. Orbit it, view it as a dollhouse, or walk through at eye level. And any edit to the 2D drawing updates the 3D instantly.

~3,000-model furniture and fixture library

Drop in furniture, bathroom fixtures, kitchen appliances, cars, workbenches, and garage shelving from a library of about 3,000 models across 14 categories.

Print-ready drawing sets and CAD export

Generate PDF plan sets with a title block (client, address, revision, scale), elevations, and sections on sheet sizes from Letter/A4 up to ARCH D/A1, plus DXF R12 export for AutoCAD.

MCP integration for AI assistants

Connect Claude, ChatGPT, Cursor, or another MCP client and give it access to 151 tools that directly read and modify the real drawing, with every change fully undoable.

Best for

  • homeowners planning a renovation before calling a contractor
  • interior designers who need client-ready 3D walkthroughs and print sets
  • real estate agents tracing listing photos for quick floor plan PDFs
  • builders quoting paint, flooring, tile, doors, and windows by room area
  • AI power users who want an MCP-connected design tool with real geometry

Skip if

  • architects who need DWG or IFC export. FloorGen only goes to DXF R12
  • anyone requiring photoreal rendering. There's no ray-traced output here
  • structural or MEP engineers. There are no framing or mechanical/electrical/plumbing takeoffs

Pros & cons

Pros

  • No sign-up or credit card required to start. Plans persist in your browser automatically
  • The 2D drawing, 3D model, code checks, and print sheets all stay in sync from a single source of truth
  • MCP integration exposes 151 actual drawing tools to Claude or ChatGPT, not just a chat wrapper
  • Export options cover real professional needs: PDF plan sets with title blocks, DXF R12, MP4 walkthroughs up to 1440p
  • Works on phones, tablets, and desktops with no installation

Cons

  • No DWG or IFC export, which rules it out for most BIM workflows and many architect handoffs
  • No photoreal rendering. The 3D is functional but won't replace a dedicated viz tool for high-stakes client presentations
  • No framing, structural, or MEP takeoffs, so builders need a separate tool for anything beyond finish-level budgeting
  • Pricing is entirely undisclosed publicly. You won't know what signing in costs until you do

Frequently asked questions

Do I need an account to use FloorGen?

No. You can draw, furnish, view in 3D, and export without creating an account or entering a card number. Plans save in your browser automatically, and you only sign in if you want cloud storage or to use FloorGen AI inside the editor.

What file formats can I export?

You can export PDF plan sets (with a title block, elevations, and sections), DXF R12 for AutoCAD, PNG, SVG, glTF, and MP4 walkthrough videos up to 1440p in 16:9, 9:16, or 1:1 aspect ratios. But there's no DWG or IFC export.

How does the MCP integration with Claude or ChatGPT work?

You connect FloorGen to Claude, ChatGPT, Cursor, or any MCP-compatible client, and your AI assistant gets access to 151 tools that read and write the actual drawing geometry, not just a screenshot. Every change the assistant makes is a step you can undo.

Can I trace an existing floor plan from a photo or PDF?

Yes. Import a photo or PDF, set the scale by clicking 2 known points, and FloorGen will suggest the walls for you to accept or edit. This is the same workflow real estate agents use to turn listing photos into scaled PDFs.

How big is the furniture library, and what categories does it cover?

The library has about 3,000 models across 14 categories, including kitchen appliances, bathroom fixtures, bedroom and living room furniture, cars, workbenches, and garage shelving. Enough to fully furnish a house plan without sourcing external assets.

How FloorGen compares

FloorGen vs RoomSketcher

RoomSketcher offers photoreal 3D renders that FloorGen doesn't, but it doesn't expose an MCP interface or let Claude edit the drawing directly. And it requires an account from the start.

FloorGen vs Planner 5D

Planner 5D has a larger consumer audience and AR features, but its export options are more limited than FloorGen's DXF R12 and scaled PDF plan sets with title blocks.

FloorGen vs AutoCAD

AutoCAD handles DWG, IFC, framing, and MEP. Everything FloorGen explicitly doesn't. But it costs hundreds of dollars per year, requires installation, and has a steep learning curve compared to FloorGen's browser-based, no-account entry point.

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