Free online 3D interior design planner for creating room layouts and home designs
Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage
Established
Not given
Founded
2016
Not given
Based in
EE
Not given
Pricing model
Freemium
Freemium
Pricing
Not given
Free: unlimited editor and preview, 3 saved diagrams, 5 AI uses total, PNG export 1× with watermark. Starter: $6.99/month or $69.90/year; 30 saved diagrams, 500 AI conversations per month, PNG export up to 4× without watermark. Pro: $11.99/month or $119.90/year; unlimited diagrams, unlimited AI, PNG
Key features
2D floor plan creation with walls at various angles and different thicknesses
Draw over uploaded blueprints
Hundreds of furniture and decoration models with customization options
Multiple 3D viewing modes including top-down, 2D, 3D and first-person perspective
Project saving and sharing via Facebook link
Advanced rendering with realistic visualizations
360-degree panoramic views
Export to multiple formats including PDF, IFC, BLEND, FBX, GLB, DXF and OBJ
Live preview of Mermaid code as you type
AI diagram generator, editor and syntax fixer
PNG export on every plan; JPG, SVG and PDF on Pro
All 22+ Mermaid diagram types supported
Share diagrams via public links and embeds
Save diagrams to cloud with folders and version history
Keyboard shortcuts and autocomplete
Mobile-responsive editor with pan and pinch-zoom
What makes it different
Intuitive interface designed for users with no professional design training
Original drawing tools not found in other online planners for complex room configurations
Free version available without requiring registration to try
Comprehensive material and furniture libraries exceeding alternative solutions
Professional-quality results without hours of learning
No account or sign-up required to start editing diagrams
Affordable pricing: Starter at $6.99/month, Pro at $11.99/month
Diagrams render in your browser; nothing stored unless you choose to save
Fast editor with instant rendering and clear error messages
Roomtodo
Mermaid Viewer