react-router vs i18next vs react-i18next vs react-intl vs next-i18n-router | Internationalization and Routing in Web Applications Comparison

Package	Downloads	Stars	Size	Issues	Publish	License

react-router	19,524,105	55,469	3.78 MB	130	21 days ago	MIT
i18next	9,480,385	8,277	557 kB	8	7 days ago	MIT
react-i18next	6,200,845	9,710	335 kB	4	15 days ago	MIT
react-intl	1,980,525	14,572	237 kB	30	5 months ago	BSD-3-Clause
next-i18n-router	53,129	313	36.7 kB	2	2 months ago	MIT

Package

Downloads

Stars

Size

Issues

Publish

License

react-router

19,524,105

55,469

3.78 MB

130

21 days ago

MIT

i18next

9,480,385

8,277

557 kB

7 days ago

MIT

react-i18next

6,200,845

9,710

335 kB

15 days ago

MIT

react-intl

1,980,525

14,572

237 kB

5 months ago

BSD-3-Clause

next-i18n-router

53,129

313

36.7 kB

2 months ago

MIT

Internationalization Support

react-router:
react-router is a routing library for React applications that does not provide any built-in internationalization features. However, it can be used alongside i18n libraries to create multilingual routes and handle language switching in the application.
i18next:
i18next provides comprehensive internationalization support, including translation management, pluralization, interpolation, and context-based translations. It supports multiple languages and allows for dynamic loading of translation files, making it highly flexible for various use cases.
react-i18next:
react-i18next extends i18next with React-specific features, making it easy to manage translations within React components. It supports all i18next features, including lazy loading, pluralization, and context-based translations, while providing a more intuitive API for React developers.
react-intl:
react-intl is designed for internationalization with a strong emphasis on locale-aware formatting. It supports message translation, date and time formatting, number formatting, and pluralization. While it provides translation capabilities, its primary focus is on formatting content according to the user's locale.
next-i18n-router:
next-i18n-router focuses on internationalized routing rather than translation management. It integrates with Next.js to provide language-aware routing, allowing developers to create multilingual URLs easily. However, it does not handle translation or localization features directly.

Routing Capabilities

react-router:
react-router is a powerful routing library that allows developers to define routes, nested routes, and dynamic routing in their React applications. It provides a flexible API for managing navigation and rendering components based on the current URL.
i18next:
i18next does not provide any routing capabilities. It is solely focused on internationalization and translation management, leaving routing implementation to other libraries or frameworks.
react-i18next:
react-i18next does not include routing features, as it is primarily focused on integrating i18n into React applications. However, it can be used in conjunction with routing libraries like react-router to create multilingual applications.
react-intl:
react-intl does not provide routing capabilities. It focuses on internationalization and formatting, allowing developers to manage translations and locale-specific content within their applications.
next-i18n-router:
next-i18n-router offers specialized routing capabilities for Next.js applications, including automatic generation of language-specific routes and handling of language switcher components. It simplifies the process of creating SEO-friendly, internationalized routes within a Next.js project.

Integration with React

react-router:
react-router is a widely used routing library for React that integrates well with the framework. It provides a declarative approach to defining routes and supports nested routing, dynamic routing, and route protection.
i18next:
i18next can be integrated with React applications, but it requires additional setup to connect the i18n instance with React components. This can be done using the I18nextProvider component or by creating custom hooks.
react-i18next:
react-i18next is built for React and provides a seamless integration with the framework. It offers hooks like useTranslation and components like Trans to manage translations and language switching directly within React components.
react-intl:
react-intl is also designed for use with React applications. It provides components and hooks for managing translations, formatting, and locale switching, making it easy to integrate internationalization into React projects.
next-i18n-router:
next-i18n-router is designed specifically for Next.js applications, making it easy to integrate with the framework's routing system. It leverages Next.js features to provide seamless internationalized routing without additional configuration.

Example Code

react-router:

Example of using react-router for routing:

import React from 'react';
import { BrowserRouter as Router, Route, Switch, Link } from 'react-router-dom';

const Home = () => <h2>Home</h2>;
const About = () => <h2>About</h2>;
const Contact = () => <h2>Contact</h2>;

const App = () => {
  return (
    <Router>
      <nav>
        <ul>
          <li><Link to="/">Home</Link></li>
          <li><Link to="/about">About</Link></li>
          <li><Link to="/contact">Contact</Link></li>
        </ul>
      </nav>
      <Switch>
        <Route path="/" exact component={Home} />
        <Route path="/about" component={About} />
        <Route path="/contact" component={Contact} />
      </Switch>
    </Router>
  );
};

export default App;

i18next:

Example of using i18next for internationalization:

import i18next from 'i18next';

// Initialize i18next
 i18next.init({
  lng: 'en', // default language
  resources: {
    en: {
      translation: {
        welcome: 'Welcome to our website!',
      },
    },
    es: {
      translation: {
        welcome: '¡Bienvenido a nuestro sitio web!',
      },
    },
  },
});

// Get translated text
const welcomeText = i18next.t('welcome');
console.log(welcomeText); // Output: Welcome to our website!

// Change language
 i18next.changeLanguage('es');
const welcomeTextEs = i18next.t('welcome');
console.log(welcomeTextEs); // Output: ¡Bienvenido a nuestro sitio web!

react-i18next:

Example of using react-i18next in a React component:

import React from 'react';
import { useTranslation } from 'react-i18next';

const MyComponent = () => {
  const { t, i18n } = useTranslation();

  const changeLanguage = (lng) => {
    i18n.changeLanguage(lng);
  };

  return (
    <div>
      <h1>{t('welcome')}</h1>
      <button onClick={() => changeLanguage('en')}>English</button>
      <button onClick={() => changeLanguage('es')}>Español</button>
    </div>
  );
};

export default MyComponent;

react-intl:

Example of using react-intl for internationalization:

import React from 'react';
import { IntlProvider, FormattedMessage } from 'react-intl';

const messages = {
  en: { welcome: 'Welcome to our website!' },
  es: { welcome: '¡Bienvenido a nuestro sitio web!' },
};

const MyComponent = ({ locale }) => {
  return (
    <IntlProvider locale={locale} messages={messages[locale]}>
      <h1><FormattedMessage id="welcome" /></h1>
    </IntlProvider>
  );
};

export default MyComponent;

next-i18n-router:

Example of using next-i18n-router for internationalized routing in Next.js:

import { useRouter } from 'next/router';
import { NextI18nRouter } from 'next-i18n-router';

const MyComponent = () => {
  const router = useRouter();
  const { locale, locales, pathname } = router;

  return (
    <div>
      <h1>{`Current Locale: ${locale}`}</h1>
      <h2>Available Locales:</h2>
      <ul>
        {locales.map((loc) => (
          <li key={loc}>
            <NextI18nRouter
              locale={loc}
              pathname={pathname}
            />
          </li>
        ))}
      </ul>
    </div>
  );
};

export default MyComponent;

Internationalization Support

Routing Capabilities

Integration with React

Example Code

Installation