Js Lingui screenshot

Js Lingui

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Updated: 16 Jan 2026
5577 Stars

A readable, automated, and optimized (2 kb) internationalization for JavaScript

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Overview

Lingui is an innovative internationalization (i18n) framework tailored for JavaScript developers looking to expand their applications globally. With a focus on simplicity and efficiency, Lingui boasts features that cater to both clean code practices and powerful localization capabilities. Whether you’re working on a small project or a large-scale application, Lingui offers the flexibility and tools necessary to manage internationalization with ease.

Designed with usability in mind, Lingui stands out for its lightweight architecture and robust community support. This makes it not just a tool for developers, but a companion in the journey of creating culturally aware and language-specific applications. Its compatibility with popular frameworks like React further enhances its utility, allowing developers to harness its capabilities seamlessly.

Features

  • Clean and Readable Code: Lingui maintains code clarity while utilizing the powerful ICU MessageFormat, ensuring that both developers and collaborators can easily navigate the codebase.

  • Universal Compatibility: With @lingui/core for essential intl functionality and @lingui/react for React components, Lingui can be integrated into any JavaScript project effortlessly.

  • Full Rich-Text Support: Create and include rich-text messages within your localized content, allowing for the use of React components directly inside messages without limitations.

  • Powerful Tooling: The Lingui CLI streamlines your internationalization workflow, offering features that extract, compile, and validate messages efficiently.

  • Unopinionated Integration: Seamlessly incorporate Lingui into your existing development processes, with support for both message keys and auto-generated messages.

  • Lightweight Architecture: The core library is impressively small at less than 2 kB gzipped, while React components add only an additional 1.3 kB gzipped, ensuring minimal impact on load times.

  • Active Community Support: Join a vibrant community of developers, with access to Discord for collaboration and assistance, along with resources for troubleshooting and feature requests.

  • Compatibility with react-intl: The close relationship with react-intl makes it simple to migrate existing projects, thanks to similar low-level APIs and consistent message formats.