Mermaid Diagramming and charting tool JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.

The treemap diagram implementation in Mermaid is designed to be simple to use while providing powerful visualization capabilities. As this is a newer diagram type, feedback and feature requests …

Mermaid syntax for a gitgraph is very straight-forward and simple. It follows a declarative-approach, where each commit is drawn on the timeline in the diagram, in order of its occurrences/presence in …

C4 Diagram: This is an experimental diagram for now. The syntax and properties can change in future releases. Proper documentation will be provided when the syntax is stable. Mermaid's C4 diagram …

While it is named for its resemblance to a pie which has been sliced, there are variations on the way it can be presented. The earliest known pie chart is generally credited to William Playfair's Statistical …

This section talks about the different ways to deploy Mermaid. If you are a beginner:

This is provided for environments where the mermaid object can't directly have a new member added to it (eg. dart interop wrapper). (Initially there is no parseError member of mermaid).

In the context of mermaid-js, the XY chart is a comprehensive charting module that encompasses various types of charts that utilize both x-axis and y-axis for data representation. Presently, it …

Jun 28, 2025 · We've restructured how Mermaid renders diagrams, enabling new features like selecting layout and look. Currently, this is supported for flowcharts and state diagrams, with plans to extend …

Mermaid allows you to set unique colors for up-to 12 sections, where cScale0 variable will drive the value of the first section or time-period, cScale1 will drive the value of the second section and so on. …