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AI Diagram Maker

AI Diagram Maker is a tool that generates professional software architecture diagrams, UML diagrams, and flowcharts through natural language. Users only need to describe their ideas in English, and without dragging and dropping, they can generate diagrams in seconds. It supports generating diagrams from attachments such as images, documents, and notes, and also supports generating code architecture diagrams from GitHub repositories. The generated diagrams can be exported as PNG, SVG, or Diagram code. A code view is provided for manual editing, and the AI can also be asked through conversation to make modifications. It also provides an MCP Server, which can directly generate diagrams in IDEs such as Cursor, Claude Desktop, and VS Code.

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About this tool

AI Diagram Maker is an AI-driven diagram generation tool focused on quickly transforming natural language descriptions into professional software architecture diagrams, UML diagrams, and flowcharts. Its core goal is to let developers focus on architecture design rather than learning the operations of complex tools.

Purpose

This tool is used to replace traditional drag-and-drop drawing software, helping users quickly create and iterate diagrams through conversation. It is suitable for scenarios such as software architecture design, system process organization, database modeling, and authentication flow presentation.

Main Capabilities

  • Text-to-diagram: Enter a pure English description, and the AI automatically understands it and generates structured diagram code (D2 language), then renders it into a visual diagram.
  • Attachment-to-diagram: Upload images, documents, or notes, and the AI converts them into structured diagrams.
  • Code-to-diagram: Analyze public or private GitHub repositories and automatically generate codebase architecture diagrams.
  • Conversational editing: Ask the AI in natural language to modify existing diagrams, such as "change this to a sequence diagram."
  • Automatic layout and styling: The AI automatically handles positioning, alignment, and design to produce a professional appearance.
  • Multi-format export: Supports exporting PNG, SVG, or Diagram code.
  • Quick code editing: You can switch to the code view to directly edit the underlying D2 code.
  • Diagram revision history: Track changes and restore previous versions (available in the Plus and Max plans).
  • MCP Server for IDEs: Can directly generate diagrams in Cursor, Claude Desktop, VS Code, or any MCP client, converting natural language, code, ASCII, images, or Mermaid into editable diagrams.

How to Use

Users input natural language descriptions or upload attachments through the web interface or an MCP client in an IDE, and the AI generates diagrams. They can continue adjusting through conversation or switch to the code view for manual modification. Supports generating diagrams from GitHub repository URLs (public repositories require no authentication; private repositories require GitHub authentication).

Suitable Scenarios

  • Quickly draw software architecture diagrams, microservice diagrams, database schema diagrams, network diagrams, flowcharts, sequence diagrams, etc.
  • Visualize structures from existing codebases or documents.
  • Team brainstorming and design discussions.
  • Embed diagrams into documents, presentations, or code repositories.

Limitations

  • Official materials do not provide specific pricing, free quota, or plan details.
  • Code-to-diagram for private repositories requires GitHub authentication.
  • The revision history feature is limited to the Plus and Max plans, and specific pricing is not yet provided.
  • It relies on the D2 language, but users do not need to learn its syntax to use it.
  • Some features, such as Diagram-as-code repository integration, are marked as "coming soon."

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