WAChecker is a Chrome extension for checking WhatsApp registration status in bulk, filtering results, and exporting contact lists. After logging in to WhatsApp Web, users can paste a number list or import an Excel file, run verification, and export the results they need. Key features include bulk verification, result filtering, duplicate detection, configurable checking intervals, and task history. Number lists and task results are processed within the browser extension and stored locally.

Export WhatsApp contacts, group members, and chat numbers to Excel, CSV, or VCard. The best free WhatsApp Group Number Extractor and Chat Export tool.

WhatsApp muti-account management, massive lead mining, personalized marketing, efficient CRM, real-time AI automatic translation, the best WhatsApp SCRM tool!