Next.js Internationalization (i18n): Complete Multi-Language Guide
Add multi-language support to Next.js with the App Router using next-intl or built-in i18n routing. Support RTL languages, date formatting, and SEO for each locale.
Multi-language support expands your audience globally.
App Router i18n with next-intl
Use next-intl for type-safe translations with server component support.
URL Structure
Use /en/about, /fr/about pattern for SEO-friendly locale routing.
Translation Management
Store translations in JSON files organized by locale and namespace.
SEO for Multiple Languages
Generate hreflang tags and locale-specific sitemaps.
RTL Support
Handle right-to-left languages with Tailwind's rtl: variant.
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Written by M Daniyal Amjad Ali
Full Stack Software Engineer with 5+ years of experience. Expert in Next.js, React, Node.js, and Prisma. 100+ projects delivered worldwide.