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Kotlin Toolbox

Build Version Downloads CodeFactor Coverage Maintainability Rating License: MIT GitHub stars ktlint

About the Plugin

Kotlin Toolbox is a comprehensive plugin for IntelliJ IDEA that provides an essential set of tools to enhance your Kotlin development experience.


Key Features

  • JWT Encoder/Decoder


    Encode and decode JWT tokens with support for most industry-standard algorithms.

    Learn more

  • Kotlin Interpolation Inlay Hints


    Visualize computed values of string interpolations and constants directly in your code.

    Learn more


Getting Started

Quick Install

  1. Open IntelliJ IDEA
  2. Go to SettingsPluginsMarketplace
  3. Search for "Kotlin Toolbox"
  4. Click Install
  5. The plugin will be installed and the IDE will prompt you to restart. After restarting, the plugin is ready to use!

View full installation guide

Start Using

After installation:

  1. Go to ViewTool WindowsKotlin Toolbox
  2. In the Kotlin Toolbox window, choose the tool tab you want to use
  3. Explore the features!

Explore features


Why Use Kotlin Developer Toolbox?

  • Fast and Lightweight


    Optimized plugin that does not impact your IDE's performance

  • Secure


    All operations are local — your data never leaves your machine

  • Open Source


    Open source and available on GitHub

  • Constant development


    New tools will be added regularly based on user feedback and industry trends


Compatibility

  • IntelliJ IDEA: 2025.3.2+
  • Kotlin: All versions
  • K2 Support: Yes

Support & Contributions

Found a bug? Have a suggestion?


Ready to get started?

Install Now View on GitHub