Number Checker for WhatsApp – Validate, Search & Lookup

Bulk WhatsApp number filter and verification — fast, secure, and privacy-first.

🚀 Features: 📊 Bulk Number Validation • Check hundreds of phone numbers instantly • Real-time verification of WhatsApp registration status • Support for international formats (+1, +86, +44, etc.) • Progress tracking with success/failure counters 🎯 Smart Number Generator • Generate sequential numbers with custom prefixes • Batch create testing lists (e.g., +1234567890 to +1234567999) • Preview before validation • Save time on manual entry 📋 Export Results • Download in Excel, CSV, or JSON formats • Organized data with validation status • Timestamped reports for records • Clean, filtered results ready to use ⚡ User-Friendly Interface • Modern, intuitive design • Real-time validation feedback • Mobile-responsive popup • One-click operations 🔥 Get Started: 1. Open WhatsApp Web 🌐 - Login to your WhatsApp account 2. Install Extension ⬇️ - Add to Chrome in one click 3. Enter Numbers 📝 - Paste your list or use batch generator 4. Start Validation ✅ - Click to begin verification 5. Export Results 💾 - Download in your preferred format 🛡️ Privacy & Security: 🔒 100% Privacy-First • No data stored on external servers • All validation happens locally in your browser • No personal information collected or transmitted • Your contacts stay private 🔐 Safe & Secure • Works directly with WhatsApp Web • No unauthorized access to your WhatsApp account • Secure, encrypted connections only • Respects WhatsApp's terms of service 🛠️ Technical Security • Local processing only • No third-party data sharing • Minimal system permissions • Regular security updates Perfect for businesses, marketing teams, and individuals who need accurate WhatsApp contact verification. Start validating your contacts today!