Free live Mermaid diagram editor with no signup required
2,615 icons for React, Figma and SVG, optically tuned at every size
Stage
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Founded
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Based in
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NL
Pricing model
Free
Freemium
Pricing
Not given
Free: 1,263 icons in 27 categories with line, solid and duotone styles. Single: $49 one-time for 2,615 icons with multi-select and bulk export. Team: $129 one-time for 5 seats. Enterprise: $349 one-time for unlimited seats. All paid plans include lifetime updates.
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
Three styles: line, solid and duotone from one shared shape
Native size fits at 16, 20 and 24px with optical tuning per size
React package with tree-shakeable components
Figma plugin with search, customization and multi-select
SVG export with live controls for size, stroke, corners and color
Bulk export and ZIP download for multiple icons
GitHub repository with all free icons as plain SVG files
Figma library file with components and variants
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
Optical corrections tuned at each size so small icons stay sharp
One-time purchase with lifetime updates, no subscription
Free set is frozen free and published under MIT license
FlowViz
Iconaut