Next.js Internationalization (i18n)

Configure locale detection and static rendering for multiple languages in Next.js 16+.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/rylezhou/arlis --skill next-js-internationalization-i18n
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Next.js Internationalization (i18n)
Source: https://github.com/rylezhou/arlis/tree/main/.agent/skills/nextjs-i18n
Command: npx skills add https://github.com/rylezhou/arlis --skill next-js-internationalization-i18n

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill simplifies the process of configuring routing and rendering for multiple languages in Next.js applications, enabling seamless localization and internationalization.

Core Features & Use Cases

  • Locale-based Routing: Supports routing by sub-path (e.g., /fr/products) or domain.
  • Dynamic Locale Detection: Utilizes browser language preferences and Accept-Language headers.
  • Localization: Manages translated content dictionaries for different locales.
  • Static Rendering: Enables generateStaticParams for pre-rendering locale-specific routes.
  • Use Case: Adapt your e-commerce site to serve customers in English, Spanish, and French, with distinct URLs and content for each language.

Quick Start

Configure your Next.js app to support English and Spanish by following the routing and localization patterns outlined in the documentation.

Frequently Asked Questions about Next.js Internationalization (i18n)

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up internationalized routing in a Next.js application?

To set up internationalized routing in Next.js, configure your application to support routing by sub-path (e.g., `/fr/products`) or domain, allowing you to serve distinct URLs for different languages.

How does Next.js detect user language preferences for localization?

Next.js localization detects user language preferences dynamically by utilizing the browser's language settings and reading `Accept-Language` headers to serve the appropriate localized content.

Can I statically render locale-specific routes in Next.js?

Yes, you can statically render locale-specific routes in Next.js by utilizing the `generateStaticParams` function to pre-render content for different locales during the build process.

What is the best way to manage translated content dictionaries in Next.js?

The best way to manage translated content in Next.js is by using dictionaries to handle server-side content localization, ensuring the correct text is rendered for the detected locale.

Does this Next.js i18n approach support domain-based routing for multiple languages?

Yes, this Next.js internationalization approach supports domain-based routing, allowing you to map different languages to distinct domains alongside standard sub-path routing patterns.

Why configure locale-based routing for a web application?

Configuring locale-based routing allows a web application to serve localized content to users in different regions, such as adapting an e-commerce site to serve customers in English, Spanish, and French.