Skip to content
Limited Time 40% off for early adopters — Get discount →

New to IntelliJ?

Last updated:

Don’t have an IntelliJ-based IDE yet? JetBrains offers a unified distribution of IntelliJ IDEA that works without activation—no paid IDE subscription required.

JetBrains makes IntelliJ IDEA’s free features available for both non-commmercial and commercial use.

  1. Visit jetbrains.com/idea/download

  2. Follow the instructions from the download page to install IntelliJ IDEA for your system using the method of your choice

  3. Launch IntelliJ IDEA

  1. Open Settings and navigate to Plugins > Marketplace

  2. Search for Mermaid Studio and click Install

  3. Restart the IDE when prompted

When you first use Mermaid Studio, you’ll be prompted to activate the plugin license.

  1. Choose Start trial or Paid License

  2. If using a paid license, select the license type (typically Subscription)

  3. Sign in to your JetBrains account, or create one if you don’t have one yet

  4. Complete the activation process

A JetBrains account is required for trial activation.

Head to Your First Diagram to start creating diagrams.


Mermaid Studio is not affiliated with JetBrains s.r.o. IntelliJ IDEA usage is governed by the JetBrains User Agreement.