Read more: Why Chrome takes up so much RAM and what you can do about it
The Great suspender is a life-saver if you really can’t help closing your precious Chrome tabs. The Extension will as the name suggests suspends idle open tabs, temporarily stopping all the processes running in that tab. This freezes up a lot memory and CPU cycles being consumed by that tab.
Open tabs can be configured to be suspended after given period of time. The default is 1 hour. You can also set the extension to never suspend pinned tabs, tabs with unsaved form inputs, tabs playing audio/video such as Youtube/Spotify, active tabs in each window.
Read more: How to manage multiple browser tabs
You can also specify URLs or domains you don’t wish the extension to ever suspend.
To unsuspend a tab, you simply just refresh or click to reload. However, you can also automatically unsuspend tab when it is viewed via an option in the settings.
The Great suspender is really light-weight, it’s regularly updated and you can install it from the Chrome webstore.