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 Blue Blocker

Blue Blocker by Liquid Nitrogen

4.2 Stars out of 5
5
91
4
12
3
4
2
8
1
17
Review by fia
by fia, a year ago
Used to be good but as of a couple months ago does not seem to do anything anymore