Mermaid Chart
What is Mermaid Chart? (Quick Answer)
Online flowchart diagrams Free online tool, no registration required, 100% client-side processing.
Online flowchart diagrams
By Craftisle Team
About Mermaid Chart — Free Online Tool
How to Use Mermaid Chart — Step by Step
- Write Mermaid syntax
Type Mermaid diagram code in the editor (e.g., graph TD; A-->B;).
- Preview live
The diagram updates in real-time as you type. Errors are highlighted.
- Export
Download as SVG (vector) or PNG (raster) for use in documents and presentations.
Use Cases for Mermaid Chart
Documentation diagrams
Add flowcharts and sequence diagrams to Markdown documentation (GitHub supports Mermaid!).
Architecture visualization
Diagram system architecture, API flows, and database relationships.
Project planning
Create Gantt charts for project timelines and milestone tracking.
FAQ — Mermaid Chart Free Online Tool
Does GitHub support Mermaid?
Yes! GitHub Flavored Markdown supports Mermaid diagrams. You can paste Mermaid code directly into .md files.
What diagram types are supported?
Flowchart, sequence diagram, class diagram, Gantt, pie chart, gitgraph, and more.
Can I collaborate with others?
Share the Mermaid code. Others can paste it into their own Mermaid editor to view and edit.