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MERMAID DIAGRAM GUIDE

Mermaid timeline online editor

Present milestones and events in chronological order. Create the diagram in Mermaid Studio, preview it instantly, and export it when it is ready to share.

Open the Timeline editor See an example

WHAT IT IS FOR

Make the important relationships clear

Present milestones, events, and changes in chronological order so the story of a project or product is easy to scan.

  • Share product milestones
  • Explain historical events
  • Plan a roadmap narrative
Why use Mermaid Studio?
  • Write the source as versionable Mermaid code.
  • Preview changes immediately in the browser.
  • Export the finished diagram as SVG or PNG.
  • Start from a related template when you need a head start.

MERMAID EXAMPLE

Start with a working example

Copy the structure, replace the labels with your own domain, and continue in the full editor.

timeline
  title Mermaid Studio Key Schedule
  2026 Q1 : Editor Launch
  2026 Q2 : Save project
           : Public link
  2026 Q3 : AI Diagram

HOW TO START

Create your diagram in four steps

  1. 1Choose a consistent date or period format.
  2. 2Add the events that changed the story.
  3. 3Group related events under a useful period.
  4. 4Keep labels short and explain important context below the timeline.

WRITING TIPS

Keep the diagram useful

Use a consistent date format.

Group related events by period.

FAQ

Frequently asked questions

What is a Mermaid timeline diagram?+

It is a chronological view of milestones and events written in Mermaid syntax.

Can a timeline contain multiple events in one period?+

Yes. Multiple events can be grouped under the same date or period when they belong together.

TEMPLATES

Start from a related template

Product milestones

Present product and company milestones in chronological order.

Open template

RELATED DIAGRAMS

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Mermaid ER diagram

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Mermaid state diagram

Show how an object or workflow changes state in response to events.

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Mermaid mindmap

Organize ideas and subtopics hierarchically around a central theme.

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Ready to make a Timeline?

Open the editor with a working example and adapt it to your project.

Start in Mermaid Studio