To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for h264ify

h264ify by erkserkserks

4.4 Stars out of 5
5
168
4
14
3
6
2
6
1
20
Review by Firefox user 12952604
by Firefox user 12952604, 6 years ago
The installation failed. Please check your connection.this causes the error.I've installed it before.