Mermaid Chart is an online tool for creating diagrams and visual schemes from Mermaid-style markdown and text prompts, with AI assistance. It helps you turn descriptions and structured data into clear visuals in seconds—without manually dragging shapes.
Diagrams from text and code
Mermaid Chart uses the Mermaid JS engine to produce portable diagrams you can keep in documentation and repositories or embed in other tools.
Flowcharts and process diagrams
Sequence diagrams
Other Mermaid-supported diagram types
Team collaboration
Built for developers, analysts, and product managers, Mermaid Chart supports real-time teamwork so diagrams can be reviewed and refined together.
Live co-editing
Comments for discussion and feedback
Whiteboard for fine-tuning
In addition to code-based generation, Mermaid Whiteboard provides an infinite canvas for precise manual edits. This combines the speed of text-based diagramming with the flexibility of a visual editor when you need to polish layouts or adjust details.
