Free live Mermaid diagram editor with no signup required
Generate your business brand from its name
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
BR
Pricing model
Free
Freemium
Pricing
Not given
Free: logo, colors, fonts, 12 files, 10 AI images per month, 1 brand, 2 people, read-only API key. Pro: R$ 39/month or R$ 390/year (10 months price), 60 AI images per month, 3 brands, 5 people, 5 API keys with modification rights. Credits: R$ 39 one-time for 50 AI images, never expire.
Key features
Live preview as you type
21 diagram types including flowcharts, sequence, class, state, ER, Gantt, git graph, mindmap and timeline
Two-way editing for flowcharts
SVG and PNG export
Share diagrams as URLs with embedded diagram content
Built-in template picker and cheatsheet
No account or signup required
Works entirely in browser with local storage
Open Mermaid Live Editor links
Mermaid v11 syntax support
Automatic logo, color palette and font generation from business name
12 ready-made files including website icons, social media covers and business cards
Real-time updates across all files when colors change
API integration for developers
AI-generated images for brands
Team collaboration with user invitations
Public brand pages and API access
Domain and social handle name checking
What makes it different
No signup, paywall, or data collection required
Diagrams stay in your browser's local storage by default
Two-way editing that updates code when you edit the canvas
Live preview with no render button required
Clean SVG export for professional use in docs and slides
All brand files generated instantly in your browser without installation or signup required
Pay only for AI-generated images, everything else is free forever
FlowViz
ideare