2FA Authentication Starter Kit
Production-ready two-factor authentication system with QR codes, backup codes, and rate limiting. Drop it into your Next.js app in minutes.
One-Time Purchase
Full source code. No recurring fees. Lifetime updates.
Everything You Need for Secure Authentication
Built from a real production system protecting thousands of admin accounts
QR Code Setup Flow
Beautiful 4-step wizard: intro → QR code → verify → backup codes. Works perfectly on mobile and desktop.
Backup Code System
8 one-time backup codes generated per user. Downloadable as .txt file. Hashed with bcrypt in database.
Rate Limiting Built-In
Prevent brute force attacks: 5 failed attempts = 15 minute lockout. Tracks attempts per user in database.
TypeScript + React
Fully typed Next.js 14+ App Router components. Client and server components properly separated.
Supabase Ready
Complete database schema, RLS policies, and migrations. Works with any PostgreSQL database too.
Mobile Optimized
Manual entry option for users setting up on the same device. Copy-paste secret key with visual feedback.
Tech Stack
Frontend
- • Next.js 14+ (App Router)
- • TypeScript
- • Tailwind CSS
- • React Hooks
Backend
- • Supabase Auth
- • PostgreSQL
- • otplib (TOTP)
- • bcryptjs
- • qrcode
What's Included
Everything you need to add enterprise-grade 2FA to your app
Code & Components
- ✓4-step setup wizard component
- ✓2FA verification page
- ✓Settings/disable 2FA page
- ✓API routes (setup, enable, verify, disable)
- ✓Database schema & migrations
Documentation & Support
- ✓Installation guide
- ✓Customization examples
- ✓Security best practices
- ✓Testing guide
- ✓Email support for setup issues
Add Enterprise Security to Your App Today
Stop building authentication from scratch. Get battle-tested 2FA code that just works.
Get Started - £297One-time payment. No subscriptions. Lifetime updates.
Frequently Asked Questions
Can I use this with my existing auth system?
Yes! The kit is designed to work with Supabase Auth out of the box, but can be adapted to any authentication system. We provide examples for integrating with NextAuth, Clerk, and custom auth solutions.
Is this production-ready?
Absolutely. This exact code is running in production protecting admin accounts for a volunteer management system with thousands of users. It includes rate limiting, proper encryption, and security best practices.
What authenticator apps does it work with?
All standard TOTP apps: Google Authenticator, Microsoft Authenticator, Authy, 1Password, Bitwarden, and any other app that supports TOTP (RFC 6238).
Do I get the full source code?
Yes, you get the complete, unobfuscated source code with full customization rights. Modify it however you need for your projects. Use it in unlimited commercial projects.
What if I need help integrating it?
Email support is included for setup and integration questions. We typically respond within 24 hours. For custom integration work, we offer consulting at £75/hour.