Rated 5 out of 5 stars

Best add-on. Now it doesn't work on Firefox nor Waterfox. Please do something

This review is for a previous version of the add-on (0.8.1.13). 

Rated 4 out of 5 stars

Useful, it would be better if the "append to session" button didn't open a new window every time. I got 20 windows in a session, quite difficult and time-consuming to merge!

This review is for a previous version of the add-on (0.8.1.8).