localization-engineer

Internationalization for Next.js involves configuring next-intl, creating locale-specific message catalogs in JSON, setting up middleware to detect user language, and applying the request loader. This enables automatic language routing and translation across your app with minimal configuration.

Yes. Using the Intl API alongside next-intl, you can format dates, times, numbers, and currencies according to each user's regional preferences. The Skill integrates locale-aware formatting for English, Spanish, French, German, and Japanese automatically.

Manage translations by organizing JSON message catalogs per locale, integrating next-intl for language switching, and using TypeScript typing for safety. This Skill provides the complete infrastructure—middleware, loaders, and components—so you avoid manual translation management complexity.

Yes. next-intl supports RTL formatting as part of its locale-aware output system. Combined with the Skill's middleware and message catalog setup, your app automatically applies correct text direction and formatting rules per language.

You need localization when launching across multiple countries or regions. This Skill detects user language automatically, displays content in their locale, and formats all data—dates, times, numbers—appropriately, making it essential for genuinely global applications.