Download the Chrome Extension

Install WABULK to start verifying WhatsApp numbers in bulk.

WABULK icon

WA Number Checker

Version 3.3.16

Install from Chrome Web Store

Or download the unpacked build below (for local testing).

Download .zip (for Load Unpacked)

How to install (local, unpacked)

  1. Download the .zip and extract it.
  2. Open chrome://extensions in Chrome.
  3. Enable Developer mode (top-right toggle).
  4. Click Load unpacked, select the extracted folder.
  5. Pin the extension from the toolbar puzzle icon.

First run

  1. Open web.whatsapp.com and scan the QR.
  2. Click the WABULK icon.
  3. Paste your numbers. Click Begin verification.
  4. Download the results as CSV or Excel.

Supported browsers

Any Chromium-based browser with Manifest V3 support — Chrome, Edge, Brave, Opera, Arc.