Mermaid diagram online

Create a robust diagram with our Mermaid diagram editor.

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From code to clarity with our Mermaid diagram editor

Visualize systems and processes with ease.

Integrate Mermaid syntax directly in Lucidchart

Create diagrams from scratch using Mermaid code in Lucidchart. Use Mermaid code to diagram quickly and easily.

Leverage powerful diagramming capabilities

Write your own Mermaid code to generate a flowchart, sequence diagram, class diagram, state diagram, C4 diagram, Gantt chart, or ERD.

Generate flowcharts with AI

With AI Prompt Flow, you can quickly produce Mermaid code. Lucidchart automatically detects this output and generates the corresponding diagram instantly.

Collaborate in real time

Easily invite collaborators to view, edit, or leave comments within your diagram in Lucid. Intuitive collaborator colors help teams track and organize work, while revision history helps keep a record of changes.

Boost productivity with 100+ integrations

Connect Lucidchart to apps from leading providers like Google, Microsoft, and Slack. Explore the Lucid integrations marketplace for apps to streamline communication, strategic planning, task management, and more.

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Lucidchart feature highlights

Streamline work by enabling multiple collaborators to create and edit the same diagram at once.

Mermaid diagram example templates

Mermaid diagramming for flowcharts, ERDs, UML diagrams, and more.

Sequence diagram

Go to Sequence diagram template

ER diagram

Go to ER diagram template

Gantt chart

Go to Gantt chart template

Class Diagram With Uml Notation in Lucidchart

UML class diagram

Go to UML class diagram template

UML state diagram

Go to UML state diagram template

Basic flowchart

Go to Basic flowchart template

Getting started in Lucidchart

Follow along with this video tutorial and learn how to make any type of diagram in Lucidchart.

Make a diagram

Why teams choose Lucidchart

As an intelligent diagramming application, Lucidchart provides simple yet powerful capabilities for visualizing information.

Team collaborating with a Lucidchart Flowchart

Collaboration. Bring teams together side by side on a shared canvas from anywhere in the world.

Alignment. Build transparency and shared understanding of how a team or company works.

Large-scale change. Increase visibility, standardization, and knowledge sharing across your entire org.

End-to-end workflows. Upgrade to the Lucid Suite for a complete, connected visual collaboration solution.

What is a Mermaid diagram?

Mermaid diagrams are a powerful diagram-as-code solution, utilizing JavaScript to dynamically render markdown-inspired text definitions into complex visuals.

Make a flowchart with mermaid code in Lucidchart

How to create a Mermaid diagram online

Open Lucidchart

Start from a blank canvas or a customizable template. Use a blank canvas when you want manual control over building your Mermaid diagram. Use a template when you want to create a standard Mermaid diagram.

Enter code

Enter your Mermaid syntax directly into the Lucidchart editor. Simply type or paste your code to instantly define and render professional diagrams, such as flowcharts or sequence diagrams.

Generate and preview your diagram

Within Lucidchart, you can efficiently render and preview Mermaid diagrams in real time. Experiment with quick text changes and refresh the preview to encourage a rapid, code-based design workflow.

Edit and refine your diagram

Polish your diagram by editing your Mermaid code. Leverage Lucid AI to quickly make changes and detect syntax errors. AI will suggest and apply fixes automatically.

Export and share

Export your Mermaid diagram as a high-quality SVG or PDF. Share your diagram with others via email, Slack, or a secure link.

Additional resources

Training Labs for Lucid Software Products

Lucid Training Labs

Learn visual collaboration skills in free, self-serve courses and live training workshops.

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Lucid Community

Connect with other users to share tips and insights. Provide feedback to Lucid’s product team.

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Help center

Find detailed articles with step-by-step instructions for using specific Lucid features.

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Lucidchart tutorials

Go to the Lucidchart tutorials playlist on YouTube for video training on various topics.

Explore playlist

AI diagramming hub

Get an overview of Lucidchart’s AI flowchart generator capabilities and find additional resources.

See what’s possible

Lucidchart blog

Read about diagramming trends, and explore tips for creating diagrams in Lucidchart.

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Lucidchart pricing

Create a free account and compare options for paid Individual, Team, or Enterprise plans.

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Frequently asked questions about our Mermaid diagram editor

Can I use Mermaid syntax directly in Lucid?

Yes, you can input Mermaid code directly in Lucid’s Mermaid diagram editor. Plus, you can automatically generate the visual diagram based on your code.

Mermaid syntax in Lucid

How do I edit a Mermaid diagram after it has been generated?

Simply edit the Mermaid code in Lucidchart and click “Update.” Your diagram will refresh instantly to reflect any changes.

Edit a Mermaid Diagram

What types of diagrams can I create with Mermaid syntax?

Create various Mermaid diagram types like flowcharts, sequence diagrams, class diagrams, ERDs, Gantt charts, state diagrams, and more.

Mermaid diagram types

Can I use Mermaid code in other languages?

Currently, you can only render Mermaid diagrams in English. If you are working in Lucid with another language, the code will need to be translated into English.

Mermaid code languages

Can I customize the appearance of my Mermaid diagrams?

Yes, you can adjust colors, node shapes, arrow styles, and labels to further tailor your Mermaid diagrams in Lucid.

Mermaid diagram customization

Are there any limitations when using the Mermaid diagram viewer?

While most common diagram types are supported, specialized features or large diagrams may have some limitations and may require a paid Lucid account.

Mermaid diagram viewer limitations

Everything you need to make a Mermaid diagram

In addition to our Mermaid diagram maker, Lucidchart offers support and training resources to help you branch out to any type of diagram.

Get support