Instagram Unfollow Tracker

Find out who unfollowed you on Instagram — analyze your Instagram Data Download ZIP locally to discover mutuals, non-mutuals, and connection patterns. No login, no servers, no tracking.

🎯 What it does

Upload your Instagram data export and instantly see:

• Who unfollowed you — accounts that stopped following you
• Who you follow but doesn't follow back — one-way connections
• Mutual followers — accounts you both follow
• Connection patterns — understand your Instagram network

All processing happens 100% locally in your browser. Your data never leaves your device.

📸 Screenshots

Clean landing page with clear call-to-action

Drag and drop upload with pre-upload checklist

Analysis results with smart filters and account badges

📱 View Mobile Screenshots

Mobile-optimized file upload

Filter by Close Friends and other badges on mobile

✨ Key Features

• 🔍 Find unfollowers — see exactly who stopped following you
• 🔄 Mutual analysis — discover who follows you back vs. one-way connections
• 🏷️ Smart badges — Following, Followers, Mutuals, Not following back, Not followed back, Pending, Restricted, Close friends, Unfollowed, Dismissed
• 🔎 Lightning-fast search — trigram/prefix indexes for instant results (even with 1M+ accounts)
• ⚡ Optimized for scale — handles millions of accounts with <5MB memory usage
• 📱 Responsive design — works perfectly on desktop and mobile
• 🌙 Dark mode — comfortable viewing in any lighting
• 💾 Smart caching — instant reload with IndexedDB persistence
• 📊 Sample data — try it without uploading your own data
• 🌍 10 languages — English, Spanish, Russian, German, Portuguese, Turkish, Hindi, Indonesian, Japanese, Arabic (RTL)
• 📲 PWA support — install as app, works fully offline
• 🛡️ Error recovery — graceful error handling with recovery options

🌍 Multilingual Support

Available in 10 languages with full RTL support:

Language	Code	RTL
English	en	—
Español	es	—
Русский	ru	—
Deutsch	de	—
Português	pt	—
Türkçe	tr	—
हिन्दी	hi	—
Bahasa Indonesia	id	—
日本語	ja	—
العربية	ar	✅

• 80 pre-rendered pages — SSG for instant load and SEO
• Dynamic meta tags — localized titles/descriptions per language
• Browser language detection — auto-redirects to preferred language

🚀 Why choose this over paid tools?

Feature	Instagram Unfollow Tracker	Paid Apps (Unfollowgram, etc.)
Price	💰 Free forever	💸 $5-10/month
Privacy	🔒 100% local (no upload)	⚠️ Upload to cloud servers
Instagram Login	✅ Not required	❌ Required (risky!)
Account Limit	✅ Unlimited (1M+ tested)	⚠️ 10k-100k max
Data Processing	⚡ 5ms (1M accounts)	🐌 150ms+
Offline Mode	✅ Works offline	❌ Requires internet
Open Source	✅ MIT license	❌ Closed source
Ads/Tracking	✅ None	⚠️ Usually present
Platform	🌐 Web (all devices)	📱 Mobile apps usually

Why This Matters

• 🔒 100% Private — all processing happens locally in your browser (IndexedDB)
• 💰 Completely Free — no subscriptions, no hidden costs, no limits
• 🔓 Open Source — transparent code you can audit and customize
• ⚡ Fast & Offline — works without internet, 75x faster filtering than competitors
• 🛡️ No Account Risk — no Instagram login required, respects platform rules
• 🎯 Accurate Results — clear mutual/non-mutual detection without gimmicks
• 📈 Scales to millions — handles 1M+ accounts with ease (vs 100k limit in paid apps)

🚀 Quick Start

Try it online

Visit the live demo: safeunfollow.app

Run locally

git clone https://github.com/ignromanov/safe-unfollow.git
cd safe-unfollow
npm install
npm run dev

Open the app and click "Upload ZIP" to load your Instagram Data Download, or "Load sample" to try the built-in demo data.

📥 How to get your Instagram data

Quick Steps:

1. Go to Meta Accounts Center
2. Navigate to Your information and permissions → Download your information
3. Select:
   • Some of your information
   • Section: Followers and Following
   • Format: JSON
   • Date range: All time
4. Download the ZIP file and upload it in the app

📖 Detailed step-by-step guide: Click the "❓ Help" button in the app for complete instructions with screenshots

🔒 Privacy & Security

• 100% Local Processing — your data never leaves your device
• No Data Collection — we don't collect, send, or store any of your information
• No Instagram Login — works with your data export only
• Open Source — you can audit the code yourself

⚡ Performance

Built to handle massive datasets with cutting-edge optimization:

Metric	10k accounts	100k accounts	1M accounts
Storage	~100 KB	~1 MB	~5 MB
Filter Speed	<1ms	~2ms	~5ms
Search (indexed)	<1ms	<1ms	~1ms
Memory Usage	~500 KB	~2 MB	~5 MB

Technology Stack:

• IndexedDB v2 — columnar storage for 40x space reduction
• FastBitSet.js — 32x faster filtering with bitwise operations
• TanStack Virtual — renders only visible items (60 FPS scrolling)
• Web Workers + Comlink — type-safe off-thread filtering (INP: 350ms → 180ms)
• Trigram/Prefix Indexes — O(1) search instead of O(n) linear scan
• vite-react-ssg — 80 pre-rendered pages for SEO and instant loads
• PWA (Workbox) — offline-first with 176 precached entries

📖 Deep dive: IndexedDB Architecture

🧪 Quality & Reliability

• 98% Test Coverage — thoroughly tested codebase
• 1,601 Tests Passed — comprehensive test suite covering all features
• TypeScript Strict Mode — type-safe development with full type checking
• Modern Stack — React 18, Vite, shadcn/ui, Tailwind CSS
• Code Quality — ESLint, Husky git hooks, automated quality checks
• Error Boundaries — graceful error handling with recovery UI
• PWA — installable, works offline with 176 precached assets

❓ FAQ

Q: Is it safe to use?
A: Yes! All processing happens locally in your browser. Nothing is uploaded to any server.

Q: Do I need my Instagram password?
A: No. You only need the ZIP file from Instagram Data Download.

Q: What does "Not following back" mean?
A: Accounts you follow who don't follow you back (excluding pending/restricted accounts).

Q: Can I use it offline?
A: Yes! After the page loads, the app works completely offline.

Q: Does it work on mobile? A: Yes, the interface is fully responsive and works on all devices.

Q: What languages are supported? A: 10 languages including Arabic with RTL support. The app auto-detects your browser language.

📖 More questions? See FAQ or Troubleshooting Guide

🤝 Contributing

Contributions are welcome! Whether it's:

• 🐛 Bug reports
• 💡 Feature requests
• 🔧 Code improvements
• 📖 Documentation updates

See CONTRIBUTING.md and CODE_OF_CONDUCT.md for guidelines.

📚 Documentation

• User Guide - Complete step-by-step tutorial
• FAQ - Common questions and answers
• Troubleshooting - Problem-solving guide
• Data Download Guide - How to get your Instagram data
• Accessibility - Accessibility features and support
• Privacy Policy - Data handling principles
• Roadmap - Future features
• Technical Specs - Technical details

📄 License

MIT License — see LICENSE for details.

Disclaimer: This project is not affiliated with Instagram/Meta. Use your data export in accordance with platform rules.

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💖 Support Me

⭐ Found this useful? Star the repo and share it with others looking for a free Instagram unfollow tracker!