Tabs by Window
Extension Actions
CRX ID
oehficlefdnbmbholiagdnekcohifadj
Description from extension meta
Organizes tabs into a tree that shows which window a tab is in and relationships between tabs. This is not a Google product.
Image from store
Description from store
Tabs by Window is a Chrome Extension that organizes tabs into a tree that shows which window a tab is in and relationships between tabs.
This is not an officially supported Google product.