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Language and region

Last modified: 03 April 2025

File | Settings | Appearance & Behavior | System Settings | Language and Region for Windows and Linux

IntelliJ IDEA | Settings | Appearance & Behavior | System Settings | Language and Region for macOS

CtrlAlt0S the Settings icon

Language

IntelliJ IDEA is available in English but also includes bundled plugins that support Chinese, Korean, and Japanese.

If your operating system is in a supported language and your IntelliJ IDEA is in a different language, you will get a suggestion to align them. If you don't want to see this type of notification, you can hide it.

Enable the language pack plugin

This functionality relies on the Chinese, Japanese, and Korean language pack plugins, which are bundled and enabled in IntelliJ IDEA by default. If the relevant features aren't available, make sure that you didn't disable the plugin.

  1. Press CtrlAlt0S to open settings and then select Plugins.

  2. Open the Installed tab, find the required language pack plugin, and select the checkbox next to the plugin name.

Change the UI language

  1. Press CtrlAlt0S to open settings and then select Appearance & Behavior | System Settings | Language and Region.

  2. Select the required language from the Language list.

Click Get More Languages... to install a different language as a third-party plugin from JetBrains Marketplace. If the required language is not yet available, you can contribute by developing your own language pack plugin.

Region

The region preference affects how IntelliJ IDEA or its plugins work by adapting to regional specifications. For example, it can change the URLs used to access various services, switch to a region-specific LLM provider for AI Assistant, or route traffic through a local proxy. Such adjustments optimize IntelliJ IDEA performance and ensure that its functionality complies with local regulations.

On the first start after the IntelliJ IDEA installation, you will be prompted to choose the region where you are located. If necessary, you can change the region later in settings.

Change the region

  1. Press CtrlAlt0S to open settings and then select Appearance & Behavior | System Settings | Language and Region.

  2. Select the required region from the Region list.