Free live Mermaid diagram editor with no signup required
Accessible React components and Next.js dashboards
Stage
Not given
Not given
Founded
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Based in
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ID
Pricing model
Free
Freemium
Pricing
Not given
Free: MIT open source with 104 components, 34 blocks and starter dashboard. Personal Pro: $99 once for one developer with all-access to Pro dashboards, apps and blocks. Team Pro: $249 once for up to 5 developers. Extended Pro: $499 once for unlimited developers with SaaS product rights.
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
104 accessible components
shadcn CLI integration
Built-in authentication with email, GitHub and Google
Database with Drizzle ORM and Postgres or PGlite
File uploads to local or S3 storage
Multi-language support: English, Bahasa Indonesia, Arabic
Live demo dashboards for Analytics, E-commerce, CRM and Services
Apps: Kanban board, Calendar, and Chat
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
One-time payment with lifetime updates, no subscription
All components copied into your project, no package dependency
Full refund within 14 days, no questions asked
Complete dashboard starter templates with backend included
MIT licensed open source core with no account required
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