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)
Method 1: Via IDE (Recommended)¶
The simplest way to install the plugin is directly from IntelliJ IDEA:
Step by Step¶
- Open Settings
- From the menu:
Settings - Navigate to Plugins
- Click the Marketplace tab
- Search for Kotlin Toolbox
- Select the plugin from the results list
- Click Install button
- Wait for the download and installation
- 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¶
- Click the Get button
- Choose the version compatible with your IDE
- Download the file
Installation¶
- Open your IDE and press
Ctrl+Alt+Sto open Settings - Go to Plugins → gear icon ⚙️ → Install Plugin from Disk...
- Select the downloaded file and click OK
- Restart the IDE when prompted
Method 3: Manual Installation via GitHub¶
To install a specific version or for offline installation:
Download¶
- Visit the Releases page on GitHub
- Download the
.zipfile for the desired version - Do not unzip the file
Installation¶
- Open Settings/Preferences → Plugins
- Click the gear icon ⚙️
- Select Install Plugin from Disk...
- Navigate to the downloaded
.zipfile - Click OK
- 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/Preferences → Plugins → Installed
- Look for "Kotlin Toolbox" in the list
- Make sure it is enabled (checkbox checked)
2. Open the Tool Window¶
- From the menu, go to View → Tool 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:
-
Learn how to encode and decode JWT tokens
-
Configure visual hints in your Kotlin code
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: Settings → Plugins → 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: Help → Show Log in Finder/Explorer
Tool Window does not appear¶
- Verify the plugin is enabled in Settings → Plugins
- Restart the IDE completely
- If the problem persists, open an issue
Uninstalling¶
If you need to uninstall the plugin:
- Go to Settings/Preferences → Plugins
- Find "Kotlin Toolbox" in the Installed list
- Click the gear icon next to the plugin
- Select Uninstall
- Restart the IDE
Updates¶
The plugin is updated automatically through the JetBrains Marketplace. To check for updates manually:
- Settings/Preferences → Plugins
- Click the gear icon ⚙️
- Select Check for Plugin Updates
Notifications
By default, IntelliJ notifies you when updates are available for your plugins.
Installation complete?