WhatsApp Validator

Check if a number is on WhatsApp - Validate phone numbers instantly

WAValidator Extension lets you check whether a phone number is available on WhatsApp directly from your browser quickly and reliably. It’s built for teams and individuals who handle large lists of contacts and want a simple way to verify numbers without switching between tools. Whether you’re working in lead qualification, CRM cleanup, customer support, or outreach, WAValidator helps you validate numbers with a few clicks. Features Single Number Validation Validate any number in seconds Clear status result: Valid / Invalid Displays remaining credits after each check Bulk Validation Paste a list of numbers (one per line, comma, or space separated) Import CSV or TXT files Automatic formatting, cleanup, and duplicate removal Live progress tracking while validation runs Export & Reporting Export results to CSV Keep a clean record of validated contacts Secure by Design Your API key is stored locally in your browser and is only used to send validation requests to wavalidator.com. No tracking, no ads, and no third-party data sharing. Powered by the official WAValidator API.