Linktok

A modern URL shortener that transforms lengthy links into memorable, shareable URLs.

Try it now: https://linktok-url-shortener.vercel.app/

Overview

Linktok is a minimalist URL shortener that combines reliability with elegant design. Convert long, unwieldy URLs into short, memorable links perfect for social media, marketing campaigns, and personal use.

Key Features

• 🔗 Instant URL Shortening: Create short links in milliseconds
• 🔍 Duplicate Detection: Automatic detection of existing URLs using MD5 checksums
• 🎨 Animated UI: Smooth animations and gradient backgrounds for enhanced user experience
• 📋 One-Click Copy: Instant copy-to-clipboard functionality
• 🔄 Automatic Redirects: Robust redirection system with URL validation
• 📱 Responsive Design: Works flawlessly across all device sizes
• 🛡 Base64 Encoding: Secure short code generation using base64 encoding

How It Works

1. Submit URL: Enter any valid web address
2. Checksum Verification: System checks for existing URL using MD5 hash
3. Short Code Generation: Creates base64-encoded identifier
4. Link Sharing: Copy and share your shortened link
5. Redirection: Any access to short link instantly redirects to original URL

Technology Stack

Frontend

• Next.js 15 (App Router)
• TypeScript
• Tailwind CSS
• Framer Motion for animations
• Zustand state management

Backend

• Go (Chi router)
• PostgreSQL database
• MD5 checksum validation
• Base64 encoding/decoding
• CORS-enabled API endpoints

CI/CD

This project uses GitHub Actions for continuous integration and deployment:

• Automated Testing: All code changes are automatically tested
• Docker Integration: Docker images are built and pushed to Docker Hub
• Deployment Pipeline: Streamlined deployment process for production updates

To configure the CI/CD pipeline:

1. Add your Docker Hub credentials as repository secrets:
   • DOCKER_USERNAME: Your Docker Hub username
   • DOCKER_PASSWORD: Your Docker Hub access token or password

License

MIT License