Shhh: Secret Messenger Tab is a free Chrome add-on developed by redphx. It falls under the category of Browsers and belongs to the SubCategory of Add-ons & Tools. This add-on is designed to hide the content of the Facebook Messenger window when you are working on another window, ensuring your privacy.

With Shhh: Secret Messenger Tab, you can easily conceal the contents of your Facebook Messenger conversations from prying eyes. It specifically works on messenger.com, allowing you to keep your messages private while you navigate other websites or applications. This add-on is ideal for those who value their privacy and want to prevent others from accidentally or intentionally seeing their Messenger chats.

Overall, Shhh: Secret Messenger Tab is a useful Chrome add-on that provides an additional layer of privacy by hiding the content of your Facebook Messenger window when you switch to another tab or window.