Seen Blocker for Facebook™ by Morni

3.6 Stars out of 5

29 reviews

Rated 1 out of 5
by Firefox user 14673770, 21 days ago
Not working in 2023
Rated 1 out of 5
by Ben, 2 months ago
Hasn't worked for years.
Rated 5 out of 5
by punkrock_failure, 7 months ago
Rated 1 out of 5
by GDUBBZ253, 2 years ago
Has Always Worked Fine With Firefox On Windows But No Longer Works At All, Please Fix It!
Rated 1 out of 5
by Temoa, 3 years ago
Does not work in the new facebook version. Please fix!!!
Rated 5 out of 5
by นพคุณ ลิ้มละไม, 3 years ago
Rated 4 out of 5
by amaklp, 4 years ago
Doesn't work on messenger.com
Rated 5 out of 5
by Firefox user 14317822, 5 years ago
So far so good, nice work :)
Rated 5 out of 5
by DeeDee Williams, 5 years ago
Rated 5 out of 5
by Firefox user 11536252, 5 years ago
Works
Rated 3 out of 5
by Firefox user 13947253, 5 years ago
Good
Rated 3 out of 5
by Kot, 5 years ago
On my Android 8.0 I can't tell the difference if it's activated or not by looking at the Firefox menu. There's a "Facebook™ Seen Blocker" but nothing is indicating the status.
Rated 5 out of 5
by Firefox user 13877105, 5 years ago
Rated 5 out of 5
by Firefox user 13734787, 5 years ago
Rated 5 out of 5
by Firefox user 13408513, 5 years ago
does what it says
Rated 4 out of 5
by Firefox user 13375331, 5 years ago
Nice
Rated 5 out of 5
by Firefox user 13304816, 6 years ago
Rated 2 out of 5
by iraqvet25, 6 years ago
Rated 5 out of 5
by Firefox user 13264151, 6 years ago
good
Rated 5 out of 5
by Firefox user 13153417, 6 years ago
Rated 5 out of 5
by Firefox user 13187974, 6 years ago
Rated 4 out of 5
by Firefox user 13178227, 6 years ago
Rated 4 out of 5
by see_starz, 6 years ago
Rated 4 out of 5
by Firefox user 13036177, 6 years ago