Tampermonkey by Jan Biniok

4.7 Stars out of 5

5,152 reviews

Rated 5 out of 5
by Firefox user 12215721, 9 years ago
Simplifies my life
Rated 4 out of 5
by Firefox user 12149209, 9 years ago
Icon is bugged and everything is much bigger in 100% than it should be. Screen: http://i.imgur.com/89eXmc1.png