Show HN: Number Checker for WA – Check and Verify WhatsApp Numbers

Category: devtools

Tags: chrome-extension, whatsapp, bulk-verification, contact-management, automation

Score: 4.3/10 (Innovation: 3, Technical: 4, Documentation: 5, Utility: 6)

Number Checker for WA is a Chrome extension that automates bulk verification of WhatsApp numbers via WhatsApp Web, allowing import of numbers and export of results to CSV, Excel, or JSON. It targets businesses needing to clean CRM records or validate contact lists, though it raises privacy and compliance concerns and is not officially affiliated with WhatsApp.

Target audience: business users, sales teams, CRM administrators

Repository: https://chromewebstore.google.com/detail/number-checker-for-wa-che/iiblpglkglfmefhlcdlcibphegpjfgpo

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