Welcome To NextBase

Build multilingual, auth-enabled apps fast with a clean starter: Next.js 15 App Router + next-intl + Auth.js (v5) + Tailwind CSS 4.

Everything you need to start fast

Internationalization
Locale-aware routing with next-intl. Add translations without changing routes.
Authentication
Auth.js v5 universal auth() API ready for credentials & OAuth providers.
Styling
.css vars dark/light with radix and toggable tailwindcss use
Supabase DB
Instant database init & typed connection with Supabase client.
Smooth Scroll & FX
Lenis + GSAP ScrollTrigger for buttery scroll & performant animations.
Global Storage (R2)
Cloudflare R2 workers wired to upload & retrieve files globally.