Mermaid Chart

What is Mermaid Chart?

Mermaid Chart is an AI-powered diagramming tool that creates visualizations from text. It allows users to build flowcharts, sequence diagrams, Gantt charts, and more using natural language or Markdown-style syntax. The tool is designed for speed and collaboration, enabling real-time co-editing and integration into existing workflows. It is built by the community behind the open-source Mermaid.js project.

Application scenarios

Project Planning: Map out project timelines, roadmaps, and team structures.
System Design: Design and explain complex systems, databases, or object structures.
Process Documentation: Create flowcharts to visualize workflows and system interactions.
Brainstorming & Ideation: Organize thoughts and brainstorm ideas visually.
Education & Training: Teach lessons or model concepts with clear diagrams.
Technical Communication: Produce documentation, user journeys, and architecture diagrams for wikis and presentations.

Main features

Text-to-chart AI: Describe a diagram in plain text and receive an instant, customizable visual.
Multi-format support: Create flowcharts, sequence diagrams, Gantt charts, ER diagrams, timelines, mind maps, org charts, and more.
Real-time collaboration: Co-edit diagrams with team members and share feedback in the same workspace.
Flexible workflow: Choose to start with code, refine with AI, or adjust diagrams with click-based editing.
Secure & compliant infrastructure: Protect data with secure access controls, custom encryption, SOC2 compliance, and SSO integration.
Native integrations: Render diagrams directly in your IDE and embed them in presentations, documents, and wikis.
Open-source foundation: The tool supports the continued growth of the Mermaid.js open-source project.

Target users

The tool is trusted by over 5 million people and 200,000 companies. It is made for a wide range of professional roles including developers, data engineers, analysts, technical writers, product thinkers, business strategists, consultants, educators, operations leads, project managers, and designers.

How to use Mermaid Chart?

You can start by visiting the official website and clicking "Start free" to sign up. Within the workspace, you can type a description in natural language or use Markdown-style code to generate a diagram. You can then switch between AI, code, or click-based editing to refine the visual. Finished diagrams can be collaboratively edited and embedded into other platforms like IDEs, docs, and wikis.

Effect review

Mermaid Chart positions itself as a tool that combines speed, structure, and security for visual communication. Its core proposition is turning text into "living diagrams" that are clear at a glance and made to evolve, which addresses the need for documentation that keeps pace with projects. The emphasis on flexible workflows—code, AI, or GUI—cater to different user preferences, from developers to non-technical roles. Being built on and supporting the popular Mermaid.js open-source project lends it credibility within technical communities. For teams requiring rapid, collaborative diagramming that integrates into development and documentation workflows, the feature set is directly aligned with those practical needs.