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

Log in
Add-on icon

Reviews for Undo Close Tab Button

Undo Close Tab Button by Button Guy

4.4 Stars out of 5
5
88
4
24
3
10
2
3
1
6
Review by Firefox user 13667616
by Firefox user 13667616, 5 years ago
It works as expected, but the icon is ugly and doesn't match other FF57+ icons, so I switched to the other similar extension.