CRX id
mfoklnlmddfdpfmcdniicgacnoklginh
mfoklnlmddfdpfmcdniicgacnoklginh
Description from extension meta
Adds button to quickly mark all Google Chat Room notifications as read
Image from store
Description from store
Google Chat Extension for Mail and Chat App to mark all rooms as read.
Click the button and wait while the extension iterates through all rooms with unread messages and clears the notifications for you.
Save yourself some time and skip marking read by hand.