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 🔥 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 Perfect for businesses, marketing teams, and individuals who need accurate WhatsApp contact verification. Start validating your contacts today! ⚠️ Disclaimer WHATSAPP is a trademark of WhatsApp LLC. Number Checker for WhatsApp is an independent tool and is not affiliated with, endorsed, sponsored, or otherwise connected to WhatsApp LLC, Meta Platforms, Inc., or any of their affiliates or subsidiaries.