To use Android extensions, you'll need Firefox for Android. To explore Firefox for desktop add-ons, please visit our desktop site.

Log in
Add-on icon

Reviews for LeechBlock NG

LeechBlock NG by James Anderson

4.8 Stars out of 5
5
1,543
4
91
3
30
2
11
1
39
Review by YK
by YK, 7 years ago
Works well with lots of options to customize. I like the option to show the countdown clock, too.