Free live Mermaid diagram editor with no signup required
Transform your handwriting and calligraphy into fully functional vector fonts
Stage
Not given
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free: create one handwriting font forever with no card required. Pro Font: $5.99 per font once to unlock full character set and commercial licence. Font packs: Pro Font ×3 for $14.99 ($5.00 per font), Pro Font ×5 for $19.99 ($4.00 per font). Studio: $8.99 per month for unlimited Pro font unlocks, or
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
Draw letters with mouse, finger or stylus with pressure and palm rejection support
Adjustable pen, marker and fountain-nib brushes for different lettering styles
Tune spacing before and after each character plus global letter spacing
Real vector OTF and TTF export files
Save up to three versions of each letter with automatic randomization
Create custom ligatures and built-in ligatures
Smoothing to clean up shaky strokes without a tablet
Cloud sync and version history on Studio plan
Cross-device progress saving and syncing
Preview fonts with custom text and see missing characters
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
Complete ownership of fonts you create with no borrowed outlines or templates
Works with mouse, trackpad or stylus thanks to adjustable smoothing
Free forever option for personal use with no credit card required
Commercial licence included with Pro fonts and Studio
Download draft fonts before completing all 52 letters
FlowViz
HandFonty