MarkChart is designed exclusively for previewing and editing Mermaid diagrams. Start with a built-in template to instantly create sequence diagrams, state diagrams, flowcharts, and more. Or begin with a blank document to write your own diagram from scratch. MarkChart can also be used in combination with an external editor, diagrams automatically update when changes are made.

Mermaid is a Markdown-inspired text syntax to define diagrams. MarkChart will render a nice looking sequence diagram if you write the following text in your Markdown documentation:

mermaid<br>sequenceDiagram<br> Alice->>John: Hello John, how are you?<br> John-->>Alice: Great!<br> Alice-)John: See you later!<br>


PREVIEW
Effortlessly previewing Mermaid diagrams without complex tools.

EDITOR
Create and edit your Mermaid diagrams directly in MarkChart.

TEMPLATES
Instantly create sequence diagrams, state diagrams, flowcharts and more.

QUICK LOOK
Preview your .mmd and .mermaid files right from the Files app.

EXPORT
Easily export your graphs to PDF, PNG, and SVG formats.

SYNTAX HIGHLIGHTING
Gain a better understanding of the text defining your diagram with syntax highlighting.

FITS RIGHT AT HOME
MarkChart is optimized for iOS and iPadOS, with Dark Mode support.



MARKCHART PRO
MarkChart Pro is an optional one-time purchase to help support the development.



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