MermaidEditor 4+

Write diagram on all devices

Jiwei Xu

    • $3.99


MermaidEditor is a diagram and chart editor, powered by mermaid-js.

MermaidEditor supports mermaid-js syntax highlighting and code completion, so it can help writing diagram and chart clearly, easily and quickly.

You can also easily export charts as PNG images or SVG files from the editor, or share image to other people with system actions.


- Syntax highlighting for mermaid-js grammar
- Code completion and code snippets in editor
- Auto generate preview images when typing in editor
- Instant parsing error indicator in editor
- Zoom and move in preview for checking diagram's detail
- Export to PNG or SVG with one click
- Edit multiple files in one window

For mermaid-js grammar, please visit for documentation.

What’s New

Version 1.5.2

- Update mermaid-js to 8.14.0

App Privacy

The developer, Jiwei Xu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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