JetBrains オンラインヘルプ英語日本語切り替え is a Chrome extension designed to facilitate easy switching between the Japanese and English versions of the JetBrains help documentation. This tool is particularly beneficial for users of JetBrains IDEs like IntelliJ IDEA, allowing them to access the information they need in their preferred language with minimal effort. With just one click, users can toggle between the Japanese help site (pleiades.io) and the English help site (jetbrains.com).

The extension enhances user experience by displaying a convenient toggle button within the help pages and enabling direct navigation to the corresponding content in the alternate language. Additionally, users can switch languages through the context menu, providing a seamless integration into their workflow. This tool is free to use and significantly simplifies the process of accessing multilingual documentation.