Welcome to Mermaid
Mermaid (mermaid.toolsworkbox.com) is a free Mermaid diagram toolkit for developers, PMs, and technical writers: browser-side rendering, no account required — write, preview, and export in one place.
Diagram data stays local by default. You don’t need to sign up.
Start here
- Open the Mermaid Editor — dual-pane live preview, format, auto-fix, templates, and export
- Need a file fast? Jump to Mermaid to SVG / PNG / PDF
- Messy AI or doc paste? Run Clean Mermaid first
- Rusty on syntax? Use the Cheat Sheet, or start from Templates
What else is included
| Capability | Notes |
|---|---|
| Generators | Dedicated pages for flowchart, sequence, class, ER, Gantt, state, and more |
| Validate | Validate Mermaid to check renderability |
| Share / embed | Editor → Share: read-only links or iframes for teammates and doc sites |
| EN / ZH UI | Switch language to match your team |
Principles in short
- Browser-first — core render and export run locally
- No sign-up — open and use
- Code-first — keep Mermaid’s “text as diagram”; no heavy drag canvas
More context: product overview. Start drawing: https://mermaid.toolsworkbox.com/editor