Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage
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Founded
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Based in
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Pricing model
Free
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
Browse 658+ SVG files organized by topic
No account required to browse and download
Copy SVG code or download files directly
Save favorites in browser for reuse
Search by name or browse by category
Compatible with Cricut, Silhouette, Canva, and Figma
Scalable vector graphics that don't blur
Support within 1–2 business days
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
Free library with no signup required
Brand logos organized by topic for quick discovery
Works with existing tools like Cricut and Silhouette
Independent library not affiliated with brands
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
5SVG
Mermaid Viewer