Privacy and Security, No need to log in by your email address. A Smart extension to Check and filter WhatsApp phone numbers, filter which numbers have active WhatsApp.

Best extension for WhatsApp Number Checker / Filter / Validator. Very useful for marketing and sales companies to filter bulk list of contacts for any country with a number range or import from a CSV file.

HOW TO GET STARTED?
Open web.whatsapp.com, scan to log in, click "Create new task," enter all checking numbers, and then click "Start to check" to check the bulk list of WhatsApp numbers whether or not available.

FEATURES

- Validate bulk lists of numbers
- Validate any numbers from any country
- 100% accurate and High-Speed Validator
- Phone Number Generator
- Filter numbers imported from CSV file
- Filter country wise
- All checking progress saved to history
- Download the success/failure list to a CSV file

FREE of USE
Free accounts can check up to 10 contacts a day for free. You can upgrade to a Pro account to check more and unlock all features.

SECURE & PRIVACY
No Email address is needed to log in. No data is shared with third parties.
All data is processed in your local computer, never passing through our web server, and no one knows what you exported.

LEGAL NOTICE:
WhatsApp™ is a trademark of WhatsApp Inc., registered in the U.S. and other countries.
This is an independent project not related to WhatsApp™ Inc.