Create a Class Diagram
Diagram classes and their relationships for software design.
π‘ Write diagrams in Mermaid syntax β flowcharts, sequence diagrams, Gantt charts, class diagrams, and more β and export as SVG or PNG. Rendering happens entirely in your browser; nothing is uploaded.
class diagrams tips
Define classes with fields and methods, then use "<|--" to show inheritance.
Keep design docs in version control by storing the diagram as text.
Export SVG for documentation that scales cleanly at any zoom.
Your architecture stays private β rendered locally.
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Make a Flowchart
Create a flowchart from text and export it as an i
Draw a Sequence Diagram
Diagram how systems or people interact over time.
Add a Diagram to a README
Create diagrams GitHub renders natively in your RE
Build a Gantt Chart
Lay out a project timeline as a Gantt chart from t