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Description
Batch check phone numbers in WhatsApp Web and export the current results. WhatsApp Number Filter is a focused productivity extension for teams that need to verify whether a list of phone numbers is registered on WhatsApp. What it does - Run a batch check on phone numbers you provide in WhatsApp Web. - Show the registration status of each number: Registered / Not registered / Failed. - Export the current results to CSV or Excel on your own device. - Support text, CSV, and Excel (.xlsx) as the input source. - Configurable request interval and failure-retry policy to keep checks stable. What it does NOT do - It does not read, store, or upload your chats, contacts, or account data. - It does not send messages, add contacts, or join groups on your behalf. - It does not sync results to any server; everything stays in the current page session. - It does not run on any site other than https://web.whatsapp.com. Permissions in plain language - activeTab: open the WhatsApp Web page from the extension popup. - downloads: save the exported CSV or Excel file to your device. - Host access to web.whatsapp.com: required to run the on-page filter panel. How to use 1. Click the extension icon and choose "Open WhatsApp Web". 2. Sign in to your WhatsApp account. 3. Open the floating "WA Filter" panel at the bottom-right of the page. 4. Paste or import your number list and click "Start filtering". 5. Review the table and use "Copy registered" or "Export CSV / Excel". Disclaimer This extension only works against phone numbers you provide. You are responsible for complying with applicable laws, data-protection rules, and WhatsApp's Terms of Service.