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Diagramming AI

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AI-powered diagram creation, editing, and sharing for text-based and visual diagram formats.

Added on:Jul 13, 2026
Monthly Visitors:
28.7K
Social & Email:
AI diagram generatorDiagrammingMermaidPlantUMLGraphvizD2

Tool Information

What is Diagramming AI?

Diagramming AI is a platform for creating, refining, storing, exporting, and sharing Mermaid, PlantUML, Graphviz, D2, and Excalidraw diagrams from plain-English prompts, notes, URLs, or images.

Core Features

  • AI diagram generation

    Generate flowcharts, sequence diagrams, system maps, architecture diagrams, UML diagrams, and other diagrams from plain-English prompts or pasted notes.

  • AI chat and diagram updates

    Use Discussion Mode to explore suggestions and ideas, or Update Mode to apply diagram edits through chat.

  • AI error resolution

    Analyze and fix errors in Mermaid, PlantUML, Graphviz, and D2 diagrams.

  • Quick editing

    Modify diagram part sizes and styles through an accessible editing interface.

  • Excalidraw visual editor

    Convert Mermaid, PlantUML, and Graphviz diagrams into interactive Excalidraw canvases for drag-and-drop editing.

  • Project-based storage

    Organize multiple projects and diagrams using Mermaid, PlantUML, Graphviz, D2, and Excalidraw, with notes for diagram organization.

  • Export and sharing

    Export diagrams as SVG or PNG, and share them through shareable URLs or read-only public links.

  • Color themes and templates

    Use built-in diagram templates, more than 10 Mermaid color themes, and more than 40 PlantUML color themes.

  • URL and image to diagram

    Create diagrams from URLs and images.

Use Cases

  • #1

    Technical diagram creation

    Create flowcharts, sequence diagrams, system maps, architecture diagrams, UML diagrams, and other visual explainers from text.

  • #2

    Diagram refinement

    Discuss diagram improvements with AI, apply edits through chat, and resolve diagram errors.

  • #3

    Review and sharing

    Save diagrams and share read-only public links for review.

  • #4

    Visual diagram editing

    Fine-tune supported text-based diagrams on interactive Excalidraw canvases.

  • #5

    Project organization

    Manage multiple diagram projects, store diagram code and visual edits, and attach notes to diagrams.

Best for:People creating technical diagramsTeams reviewing diagramsUsers working with Mermaid, PlantUML, Graphviz, D2, or Excalidraw

Pricing Plans

The official source lists Free, Starter, and Pro plans but does not clearly publish sufficient pricing or billing details.

Alternatives

Frequently Asked Questions

What is Diagramming AI?
Diagramming AI is a platform for creating and editing Mermaid, PlantUML, Graphviz, D2, and Excalidraw diagrams from plain-English prompts, notes, URLs, or images.
Which diagram formats does Diagramming AI support?
The platform supports Mermaid, PlantUML, Graphviz, D2, and Excalidraw diagrams.
Can Diagramming AI fix diagram errors?
Yes. Its AI error resolution feature analyzes and fixes errors in Mermaid, PlantUML, Graphviz, and D2 diagrams.
Can I edit diagrams visually?
Yes. Mermaid, PlantUML, and Graphviz diagrams can be converted into interactive Excalidraw canvases for drag-and-drop editing.
Can I export diagrams from Diagramming AI?
Yes. Diagrams can be exported as SVG or PNG and shared through URLs, including read-only public links.
Does Diagramming AI have diagram templates?
Yes. The platform provides a built-in template library for diagram creation.
Does Diagramming AI offer a free plan?
The official source lists Free, Starter, and Pro plans, but sufficient pricing and billing details are not clearly published.
How can I contact Diagramming AI?
The published contact email is info@diagrammingai.com.

Diagramming AI Contact & Social Media

Visit Official Website

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Tool Information

Pricing ModelUnknown
CategoryProductivity
Tags
AI diagram generatorDiagrammingMermaidPlantUMLGraphvizD2
LanguageEnglish
Last UpdatedJul 16, 2026