Which is Better Internationalization Libraries for Frontend Frameworks?
react-i18next vs vue-i18n vs angular-i18n
1 Year
react-i18nextvue-i18nangular-i18nSimilar Packages:
What's Internationalization Libraries for Frontend Frameworks?

Internationalization (i18n) libraries are essential tools for developers aiming to create applications that can support multiple languages and cultures. They provide mechanisms to manage translations, pluralization, date formatting, and other locale-specific features, enabling a seamless user experience across different regions. Each library is tailored to integrate with its respective framework, ensuring that developers can easily implement localization features without extensive overhead. The choice of library often depends on the framework being used and the specific requirements of the project, such as performance, ease of use, and community support.

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react-i18next3,757,3649,249317 kB232 days agoMIT
vue-i18n1,267,0772,1461.54 MB1388 days agoMIT
angular-i18n47,22758,8262.53 MB463-MIT
Feature Comparison: react-i18next vs vue-i18n vs angular-i18n

Integration with Framework

  • react-i18next: react-i18next is a third-party library that integrates seamlessly with React. It allows for easy translation management and provides hooks and higher-order components to facilitate the use of translations within React components, making it highly adaptable to various project structures.
  • vue-i18n: vue-i18n is specifically designed for Vue.js and integrates deeply with its reactivity system. It allows developers to define translations in a simple manner and automatically updates the UI when the language changes, ensuring a smooth user experience.
  • angular-i18n: Angular's i18n module is built into the framework, providing a straightforward way to manage translations directly within Angular components. It leverages Angular's dependency injection and change detection, ensuring optimal performance and ease of use.

Feature Set

  • react-i18next: react-i18next provides a comprehensive feature set including support for nested translations, pluralization, interpolation, and context-based translations. It also supports lazy loading of translations, which can enhance performance for larger applications by loading only the necessary language files when needed.
  • vue-i18n: vue-i18n includes features such as dynamic locale switching, pluralization, and message formatting. It also supports nested translations and allows for easy integration of custom formatting functions, making it highly flexible for different localization needs.
  • angular-i18n: angular-i18n offers essential features such as translation management, pluralization, and locale-aware formatting for dates, numbers, and currencies. It also supports static translations and can be extended for dynamic content, making it versatile for various applications.

Performance

  • react-i18next: react-i18next is designed with performance in mind, allowing for efficient updates and rendering. It uses React's context API to minimize re-renders and supports lazy loading of translation files to reduce initial load times, making it suitable for larger applications.
  • vue-i18n: vue-i18n is optimized for Vue's reactivity system, ensuring that translations are updated efficiently without unnecessary re-renders. It allows for dynamic language switching with minimal performance impact, making it a good choice for applications with frequent language changes.
  • angular-i18n: Performance in angular-i18n is optimized for Angular's change detection strategy. It minimizes the overhead of updating translations by leveraging Angular's built-in mechanisms, ensuring that only the necessary parts of the application are re-rendered when language changes occur.

Community and Support

  • react-i18next: react-i18next has a large and active community, providing extensive documentation, examples, and third-party plugins. This makes it easier for developers to find support and resources, as well as to extend the library's functionality as needed.
  • vue-i18n: vue-i18n is well-supported within the Vue.js community, with comprehensive documentation and a variety of resources available. It also has a growing number of plugins and extensions, making it a flexible choice for Vue developers.
  • angular-i18n: As part of the Angular framework, angular-i18n benefits from a strong community and extensive documentation. However, it may not have as many third-party plugins or extensions compared to other libraries, limiting customization options.

Ease of Use

  • react-i18next: react-i18next is user-friendly, especially for developers familiar with React. Its API is intuitive, and it provides hooks that simplify the integration of translations into components, making it accessible for both beginners and advanced users.
  • vue-i18n: vue-i18n is designed to be simple and straightforward for Vue developers. Its API is easy to understand, and it allows for quick setup and integration, making it an excellent choice for those new to localization in Vue applications.
  • angular-i18n: angular-i18n is relatively easy to use for Angular developers, as it follows Angular's conventions and integrates directly into the framework. However, it may require a deeper understanding of Angular's architecture for more complex use cases.
How to Choose: react-i18next vs vue-i18n vs angular-i18n
  • react-i18next: Choose react-i18next if you are building a React application and require a flexible, feature-rich library that supports advanced i18n features like interpolation, pluralization, and context-based translations. It is highly extensible and works well with React's component-based architecture.
  • vue-i18n: Choose vue-i18n if you are developing a Vue.js application and need a library that is specifically designed for Vue's reactive data model. It offers a simple API for managing translations and integrates smoothly with Vue's ecosystem, making it a great choice for Vue developers.
  • angular-i18n: Choose angular-i18n if you are developing an Angular application and need a built-in solution that integrates seamlessly with Angular's architecture. It provides a robust set of features for managing translations and is optimized for performance within Angular's change detection system.
README for react-i18next

react-i18next Tweet

CI Code Climate Coverage Status Quality npm

IMPORTANT:

Master Branch is the newest version using hooks (>= v10).

$ >=v10.0.0
npm i react-i18next

react-native: To use hooks within react-native, you must use react-native v0.59.0 or higher

For the legacy version please use the v9.x.x Branch

$ v9.0.10 (legacy)
npm i react-i18next@legacy

Documentation

The documentation is published on react.i18next.com and PR changes can be supplied here.

The general i18next documentation is published on www.i18next.com and PR changes can be supplied here.

What will my code look like?

Before: Your react code would have looked something like:

...
<div>Just simple content</div>
<div>
  Hello <strong title="this is your name">{name}</strong>, you have {count} unread message(s). <Link to="/msgs">Go to messages</Link>.
</div>
...

After: With the trans component just change it to:

...
<div>{t('simpleContent')}</div>
<Trans i18nKey="userMessagesUnread" count={count}>
  Hello <strong title={t('nameTitle')}>{{name}}</strong>, you have {{count}} unread message. <Link to="/msgs">Go to messages</Link>.
</Trans>
...

📖 What others say

Why i18next?

  • Simplicity: no need to change your webpack configuration or add additional babel transpilers, just use create-react-app and go.
  • Production ready we know there are more needs for production than just doing i18n on the clientside, so we offer wider support on serverside too (nodejs, php, ruby, .net, ...). Learn once - translate everywhere.
  • Beyond i18n comes with locize bridging the gap between development and translations - covering the whole translation process.

ecosystem

Localization workflow

Want to learn more about how seamless your internationalization and translation process can be?

video

watch the video

Installation

Source can be loaded via npm or downloaded from this repo.

# npm package
$ npm install react-i18next
  • If you don't use a module loader it will be added to window.reactI18next

Do you like to read a more complete step by step tutorial?

Here you'll find a simple tutorial on how to best use react-i18next. Some basics of i18next and some cool possibilities on how to optimize your localization workflow.

Examples

v9 samples

Requirements

  • react >= 16.8.0
  • react-dom >= 16.8.0
  • react-native >= 0.59.0
  • i18next >= 10.0.0 (typescript users: >=17.0.9)

v9

Core Contributors

Thanks goes to these wonderful people (emoji key):


Jan Mühlemann

💻 💡 👀 📖 💬

Adriano Raiano

💻 💡 👀 📖 💬

Pedro Durek

💻 💡 👀 💬

Tiger Abrodi

💻 👀

This project follows the all-contributors specification. Contributions of any kind are welcome!


Gold Sponsors


localization as a service - locize.com

Needing a translation management? Want to edit your translations with an InContext Editor? Use the original provided to you by the maintainers of i18next!

locize

By using locize you directly support the future of i18next and react-i18next.