Next.js i18n SaaS Template
Looking for a Next.js i18n SaaS template to build global-ready applications? supastarter provides a production-ready starter kit with built-in internationalization, locale management, and multi-language support for scalable SaaS apps.Next.js+InternationalizationGet supastarter for Next.jsRead internationalization docs
Authentication
Let your users sign up and login with password, magic link or oAuth.
Payments
Charge your users with subscriptions. Choose your preferred payment provider.
Internationalization
Reach more customers by making your app multilingual.
Mails
Send transactional emails to your customers.
Style
Modern, beautiful UI. Fully customizable.
API
Reusable, extensible and type-safe REST-API for your SaaS.
Database
Access your data in a type-safe way with Prisma or Drizzle.
Organizations
Let your customers create organizations, add members and share resources.
AI
Add artificial intelligence to your app and give your customers superpowers.
SaaS Blog
Multi-language, MDX-based marketing blog to keep your customers up to date with the latest news.
SaaS Analytics
Track your users and their behavior for your SaaS and marketing pages.
SaaS Landing Page
A beautiful landing page with features, pricing and newsletter signup is included.
Learn moreSaaS Onboarding
Multi-step onboarding process to help your customers get started with your app.
Learn moreSaaS Documentation
Multi-language, MDX-based documentation to help your customers get started with your app.
Learn moreContact form
Let your customers contact you.
SaaS Legal Pages
Multi-language placeholder pages for privacy policy and terms of service are included.
Fully typed codebase
From backend to frontend, we are using TypeScript for full type safety.
Cursor / Windsurf support
Cursor / Windsurf rules are included for AI code generation.
One-time purchase. Unlimited projects.
supastarter is a one-time purchase with no recurring fees. You get access to the repository and can use it for as many projects as you want.
Lifetime access
for one developer
- All features includedAuthentication, billing, user management, and more. See list of features above.
- Lifetime updatesLast update to codebase: 1 day ago
- Saves you 120+ hours
- Exclusive discord server for support
🌎 Why Internationalization Matters
Global-ready SaaS applications need internationalization (i18n) to reach users in multiple languages and regions. A solid i18n implementation improves user experience, accessibility, and conversion rates for global audiences.
✅ Benefits of a Next.js i18n SaaS Template:
- Multi-language support — deliver your app in multiple languages
- Locale-aware routing — URLs reflect the user’s language preference
- Easy translation management — organize content for different locales
- Dynamic content rendering — serve locale-specific content seamlessly
- Global scalability — ready to support international users and teams
🚀 What is supastarter?
supastarter is a production-ready SaaS boilerplate that provides built-in internationalization support for Next.js. With supastarter, you don’t need to manually configure locale routing or translation workflows — everything is ready to go.
Whether you’re building a global SaaS product, marketplace, or collaboration tool, supastarter gives you the foundation to launch international-ready applications quickly.
🔧 Features of Next.js i18n Template
- Locale-aware routing — automatically handle
/en,/fr,/depaths - Dynamic translation loading — support JSON or API-based translations
- Admin-friendly content management — update translations without redeploying
- Built-in language switcher — intuitive UI for switching languages
- SEO-friendly i18n — localized metadata and URLs
- Scalable architecture — extendable for dozens of languages
💡 Who Is This For?
- Developers building global-ready SaaS applications
- Founders launching multi-language products
- Teams targeting international markets with localized content
- Anyone looking for a Next.js i18n starter template
🧪 Built by Developers, for Developers
supastarter provides i18n routing, locale management, and translation workflows out of the box.
With Next.js, you get performant rendering and SEO-friendly routing. With supastarter, you get a complete internationalized SaaS foundation that’s ready for multiple markets and languages.
See what supastarter customers are building
Discover the diverse range of projects and ideas that our 800+ customers have built with supastarter.
