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Installation

This guide shows how to install Kotlin Developer Toolbox in IntelliJ IDEA.


Requirements

Before installing, make sure you have:

  • IntelliJ IDEA 2025.3.2 or later
  • Kotlin plugin enabled (usually pre-installed)
  • Internet connection (for Marketplace installation)

The simplest way to install the plugin is directly from IntelliJ IDEA:

Step by Step

  1. Open Settings
  2. From the menu: Settings
  3. Navigate to Plugins
  4. Click the Marketplace tab
  5. Search for Kotlin Toolbox
  6. Select the plugin from the results list
  7. Click Install button
  8. Wait for the download and installation
  9. Click Restart IDE when prompted

Screenshot Placeholder

Add a screenshot of the process at docs/assets/images/installation/marketplace.png


Method 2: Via JetBrains Marketplace

You can also install from the JetBrains website:

Download

Open on JetBrains Marketplace

  1. Click the Get button
  2. Choose the version compatible with your IDE
  3. Download the file

Installation

  1. Open your IDE and press Ctrl+Alt+S to open Settings
  2. Go to Plugins → gear icon ⚙️ → Install Plugin from Disk...
  3. Select the downloaded file and click OK
  4. Restart the IDE when prompted

Method 3: Manual Installation via GitHub

To install a specific version or for offline installation:

Download

  1. Visit the Releases page on GitHub
  2. Download the .zip file for the desired version
  3. Do not unzip the file

Installation

  1. Open Settings/PreferencesPlugins
  2. Click the gear icon ⚙️
  3. Select Install Plugin from Disk...
  4. Navigate to the downloaded .zip file
  5. Click OK
  6. Restart the IDE when prompted

Attention

Keep the .zip file compressed. Do not extract its contents before installing.


Verifying the Installation

After restarting the IDE, verify the plugin was installed correctly:

1. Check the Plugin List

  • Go to Settings/PreferencesPluginsInstalled
  • Look for "Kotlin Toolbox" in the list
  • Make sure it is enabled (checkbox checked)

2. Open the Tool Window

  • From the menu, go to ViewTool Windows
  • You should see the Kotlin Toolbox option
  • Click to open the Kotlin Toolbox window with the tools

Installation Complete!

If you can see the tool window, the installation was successful!


Next Steps

Now that the plugin is installed, explore the features:


Troubleshooting

Plugin does not appear in the Marketplace

  • Check your internet connection
  • Make sure you are using IntelliJ IDEA 2025.3.2+
  • Try refreshing the plugin list: SettingsPlugins → gear icon → Check for Plugin Updates

Installation error

  • Check that you have enough disk space
  • Try installing via the manual method
  • Check the IDE logs: HelpShow Log in Finder/Explorer

Tool Window does not appear

  • Verify the plugin is enabled in SettingsPlugins
  • Restart the IDE completely
  • If the problem persists, open an issue

Uninstalling

If you need to uninstall the plugin:

  1. Go to Settings/PreferencesPlugins
  2. Find "Kotlin Toolbox" in the Installed list
  3. Click the gear icon next to the plugin
  4. Select Uninstall
  5. Restart the IDE

Updates

The plugin is updated automatically through the JetBrains Marketplace. To check for updates manually:

  1. Settings/PreferencesPlugins
  2. Click the gear icon ⚙️
  3. Select Check for Plugin Updates

Notifications

By default, IntelliJ notifies you when updates are available for your plugins.


Installation complete?

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