WhatsDial does not collect, store, or transmit any personal data to external servers.
All phone numbers and history entries are stored locally in your browser using Firefox’s extension storage and are never sent to the developer or any third party.

The extension only uses the permissions required to:

Open WhatsApp or WhatsApp Web in a new tab,

Store your last used country code and history locally,

Add a right-click context menu for convenience.

No analytics, tracking, or advertising scripts are included in this add-on.
If you clear the history from the add-on, all stored numbers are permanently removed from your browser.