AI-Powered

Free AI Diagram Generator

Describe any diagram in plain English — our AI automatically detects the type and generates a professional Mermaid diagram you can edit and export.

5/5 credits

How It Works

1

Describe what you need

Type a plain English description of any diagram — flowchart, sequence diagram, ER diagram, mind map, class diagram, or more.

2

AI generates the diagram

Our AI detects the best diagram type for your description and produces valid Mermaid code with proper syntax and structure.

3

Edit and export

Open the result in our full editor to customize colors, layout, and styles. Export as PNG, SVG, or PDF.

What You Can Create

  • •Quickly visualize any process, system, or concept without learning diagram syntax
  • •Create flowcharts for business processes and decision trees
  • •Generate database schemas and entity-relationship diagrams
  • •Build sequence diagrams for API and system interactions
  • •Organize ideas and research with mind maps

Learn Diagram Syntax

View the complete syntax reference, examples, and best practices for Mermaid diagrams.

Export Options

PNG Export

High-resolution images for documents and presentations.

SVG Export

Scalable vectors for web and further editing.

PDF Export

Print-ready format for professional documentation.

Frequently Asked Questions

Ready to generate your diagram?

Describe what you need above and let AI do the work — or open the full editor to build from scratch.

Open Full Editor

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AI Sequence Diagram Generator

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AI ER Diagram Generator

Describe your database tables and relationships in plain English — our AI generates a professional entity-relationship diagram with correct cardinality.