Tabs Outliner: https://chrome.google.com/webstore/detail/tabs-outliner/eggkanocgddhmamlbiijnphhppkpkmkl https://chrome.google.com/webstore/detail/tabs-outliner/

Tabs Outliner: https://chrome.google.com/webstore/detail/tabs-outliner/eggkanocgddhmamlbiijnphhppkpkmkl https://chrome.google.com/webstore/detail/tabs-outliner/eggk... Something like Tree Style Tab but TO shows a single tree for your entire browsing session instead of just the current window. Its cloud backup allows me to sync my tree hierarchy across my devices.