Free live Mermaid diagram editor with no signup required
Mobile-first Shopify theme built for speed, conversions, and growth
Stage
Not given
Startup
Founded
Not given
2024
Based in
Not given
US
Pricing model
Free
Freemium
Pricing
Not given
Monthly: $19/month (regularly $29/month, save 34%). Yearly: $13/month billed annually (regularly $29/month, save 55%). Limited-time launch offer: 1 year for $156 (usually $348, save $192). 7-day free trial included with all plans, no hidden fees.
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
AI theme editor with natural language customization
30+ built-in conversion features
Drag-and-drop customization without code
24 industry templates and preset styles
Mobile-first design with 98.9 speed score
Product quick view and smart filters
Shopify Online Store 2.0 native build
24/7 Shopify expert support
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
Conversion features built into themes, not sold as separate expensive apps
One membership unlocks entire marketplace of themes
Average 44% conversion rate lift across stores
Install and launch in minutes without developers or code
AI-powered theme editor for natural language customization