Tabs Outliner is a free extension for Google Chrome that lets you stop needing to keep a zillion tabs open. It will help save CPU, RAM and other system resources. And it will help keep Google Chrome free of tab clutter.
Here's how you can get it.
1. Open Google Chrome.
2. Go to the Tabs Outliner extension page.
3. Click the Install button.
For more, see the original article at the link below.