Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Dashboard components, editors and starter app for Nuxt UI
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
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
Engine: Free, MIT licensed. Pro: €99 one-time for 1 developer. Commercial: €149 one-time for 1 developer. Teams: €499 one-time for up to 10 developers. All paid plans include 12 months of updates.
Key features
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
50+ dashboard UI components including stat cards, charts, tables, calendars and maps
Spreadsheet editor with live formulas and cell math
Presentation editor for decks built from dashboard data
Invoice editor for print-ready invoices
Full starter app with pre-built pages
Funnels showing stage-by-stage conversion with drop-off tracking
Donut charts with live center readout and linked legend
Line and area charts with year-over-year comparison
Maps with dot matrix, choropleth, tile and globe views
Themed by Nuxt UI config with colors and components carry over
What makes it different
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
Free MIT-licensed engine with admin page generation from models
Business document editors that read from the same data as your charts
One-time license with 12 months of updates, not a subscription
Keeps every version released during your 12 months forever
Mermaid Viewer
Nuxt Dashboard