Streamlining Internationalization in Nuxt.js Applications with @nuxtjs/i18n

In Nuxt.js, @nuxtjs/i18n is a module that provides internationalization (i18n) capabilities to your Nuxt.js applications. It allows you to create multilingual websites or applications by managing translations and language switching.

The @nuxtjs/i18n module simplifies the process of implementing i18n features in your Nuxt.js project. It provides various functionalities, including:

  1. Translation management: You can define your translation messages in separate language files or even use online translation services. The module provides a convenient syntax for accessing translated messages in your templates or JavaScript code.
  2. Language detection and negotiation: The module can automatically detect the user’s preferred language based on their browser settings or other criteria. It also supports language negotiation, allowing you to determine the best language to display based on factors such as the user’s location or preferences.
  3. Routing and URL management: @nuxtjs/i18n helps manage language-specific routes and generates localized URLs for different languages. This ensures that users can navigate between different language versions of your website seamlessly.
  4. SEO optimization: The module includes features that help optimize your multilingual website for search engines. It generates appropriate hreflang tags and sitemaps for different language versions, which can improve your website’s visibility in search engine results.
  5. Vue.js integration: @nuxtjs/i18n seamlessly integrates with Vue.js and provides a set of Vue components to handle language switching, language selectors, and other i18n-related UI elements.

By configuring the @nuxtjs/i18n module in your Nuxt.js project and utilizing its features, you can easily create a localized experience for your users, supporting multiple languages and managing translations efficiently.

To install the @nuxtjs/i18n module

  1. Install the module using npm or yarn:
bashCopy codenpm install @nuxtjs/i18n


bashCopy codeyarn add @nuxtjs/i18n
  1. In your Nuxt.js project, open the nuxt.config.js file.
  2. Add the following code to the modules section of the configuration file:
javascriptCopy codemodules: [
  1. Configure the @nuxtjs/i18n module by adding the i18n object to the nuxt.config.js file. Here’s a basic example:
javascriptCopy codemodules: [

i18n: {
  locales: [
      code: 'en',
      iso: 'en-US',
      name: 'English',
      code: 'fr',
      iso: 'fr-FR',
      name: 'Français',
  defaultLocale: 'en',
  vueI18n: {
    fallbackLocale: 'en',
    messages: {
      en: {
        welcome: 'Welcome',
      fr: {
        welcome: 'Bienvenue',

In this example, we define two locales: English (en) and French (fr). We set 'en' as the default locale, and specify the translations for the welcome key in both languages.

  1. Customize the configuration according to your needs. You can define additional options such as language detection, routing, SEO optimization, etc. Refer to the @nuxtjs/i18n documentation for more advanced configurations and options.

That’s it! Once you’ve installed and configured the @nuxtjs/i18n module, you can start using its features to manage translations, handle language switching, and create a multilingual experience in your Nuxt.js application.

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