🕵🏻 GitHub Unfollower Detector

A powerful tool to detect GitHub users who don't follow you back and those you don't follow back.
Easily analyze your followers and following lists with an intuitive interface and advanced features.

🔗 Live Demo

---

✨ Features

Core Features

• 🔎 Detect users you follow but they don't follow you back
• 🔎 Detect users who follow you but you don't follow back
• 🔓 GitHub token support for accounts with 6,000+ connections — enabling analysis of up to hundreds of thousands of users
• 👮 Token is stored locally in your browser — never sent anywhere
• 📱 Fully responsive and mobile-friendly interface

New Features (v2.0)

• 🌓 Dark/Light Theme Toggle - Switch between dark and light themes with smooth transitions
• 📊 Statistics Dashboard - View detailed stats including:
  • Total followers count
  • Total following count
  • Mutual connections
  • Follower-to-following ratio
• 🔍 Search & Filter - Quickly find specific users in your lists with real-time search
• 🔤 Sort Options - Sort results alphabetically (A-Z or Z-A)
• 📥 Export to CSV - Export your results for external use or record-keeping
• 🕐 Search History - Access your last 5 searches with one click
• ✨ Enhanced UI/UX - Smooth animations, hover effects, and improved visual feedback

---

🚀 How to Use

1. Enter your GitHub username in the search field
2. Click "Search User" or press Enter
3. View the results in two categories:
   • People you follow but they don't follow back
   • People who follow you but you don't follow back
4. Use the search bars to filter results
5. Use the sort dropdowns to organize lists
6. Click the export button to download results as CSV
7. Toggle between dark and light themes using the button in the header

For Large Accounts (6,000+ connections)

If you have many followers/following, you'll need a GitHub Personal Access Token:

1. Go to GitHub Tokens
2. Click "Generate new token (classic)"
3. Select the user scope
4. Copy the token and paste it in the app
5. The token is stored locally and never transmitted

---

⚠️ Note About Performance

If you have a large number of followers or following, the analysis might take several minutes to complete.

---

📸 Demo

---

🎨 UI/UX Improvements

Theme Customization

• Seamlessly switch between dark and light modes
• Theme preference is saved locally
• Smooth color transitions across all elements

Enhanced Interactions

• Hover effects on all interactive elements
• Loading animations for better user feedback
• Smooth page transitions
• Custom scrollbar styling

Data Management

• Real-time search across results
• Alphabetical sorting options
• One-click export to CSV format
• Recent searches saved for quick access

---

🛠️ Technical Details

Built With

• HTML5
• CSS3 (Tailwind CSS v4.1.3)
• Vanilla JavaScript (ES6+)
• GitHub REST API

Local Storage Usage

• Theme preference
• GitHub token (never transmitted to external servers)
• Search history (last 5 searches)

---

📋 Changelog

Version 2.0 - UI/UX Overhaul (January 2026)

New Features

• ✅ Dark/Light theme toggle with smooth transitions
• ✅ Statistics Dashboard (followers, following, mutual, ratio)
• ✅ Real-time search and alphabetical sorting
• ✅ Export to CSV functionality
• ✅ Search history with quick access
• ✅ Enhanced animations and hover effects
• ✅ Custom scrollbar styling
• ✅ Lazy loading for images

Technical Improvements

• ✅ Modularized helper functions
• ✅ Global state management for filtering
• ✅ Optimized render functions
• ✅ Better error handling

Bug Fixes

• Fixed pagination issues with filtered results
• Improved error messages
• Better API rate limit handling

Version 1.0 - Initial Release

• GitHub unfollower detection
• Token support for large accounts
• Basic pagination
• Responsive design
• Toast notifications

---

📝 License

MIT License - see LICENSE file for details

---

👨‍💻 Contributors

• Original Author: Nima Kian
• Updated by: Erzam Bayu

---

🤝 Contributing

Contributions, issues, and feature requests are welcome!