To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for Tree Style Tab

Tree Style Tab by Piro (piro_or)

4.5 Stars out of 5
5
1,599
4
262
3
97
2
58
1
88
Review by Monkey blender
by Monkey blender, 6 years ago
This is the addon that keeps me locked to Firefox - I simply can't move to a browser without vertical tabs. Thank you, Piro.