WhatsApp Web Advanced is an open-source extension that enhances WhatsApp Web with features like scheduling, bulk messaging, privacy enhancements, and direct messaging capabilities. Key Features:

Schedule Messages: Click the new clock button to set delivery times or delays, and easily manage your pending message queue.
Bulk Sender: Upload a CSV of phone numbers via the new top-bar button to automate outreach, complete with delays between messages.
Message Without Saving: Start a chat with any unsaved number instantly using WhatsApp's native click-to-chat architecture, no need to add temporary contacts to your phone.
Privacy Mode: Toggle a quick blur effect tab to hide your chat list and active messages until you hover over them.

Privacy & Data Security:

100% Client-Side Operations: All processing occurs strictly within your web browser. No intermediate servers or external databases are used.
Zero Data Collection: We do not collect, store, track, or transmit your messages, phone numbers, contact lists, or personal data.

(!) Important Note & Disclaimer This extension is intended strictly for personal use and small daily tasks. Using this tool for aggressive messaging, spam, or in any way that violates WhatsApp's Terms of Service may result in your account being banned. Use at your own risk. WhatsApp is a trademark of WhatsApp Inc., registered in the U.S. and other countries. This extension is an independent project and is not affiliated with, authorised, maintained, sponsored, or endorsed by WhatsApp Inc. or Meta Platforms, Inc.