Fluent Language is a plugin for IntelliJ-based IDEs that adds support for the Fluent localization language. It helps developers edit and work with Fluent resource files within JetBrains development environments.
In the Other dev tools space, Fluent Language takes a focused approach. It focuses on working with Fluent localization files and syntax inside IntelliJ-based IDEs. It is built as a B2B product for developers using IntelliJ-based IDEs. It is available for free. It runs on the web, macOS, Windows, and Linux.
Behind Fluent Language is JetBrains Marketplace, and it first shipped in 2026. Among its 4 catalogued features are syntax highlighting, code completion, and error detection.
Summary written by a language model from the project’s public pages.
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