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

Log in
Add-on icon

Reviews for Theme Font & Size Changer

Theme Font & Size Changer by Baris Derin, Access Firefox Project

2.2 Stars out of 5
5
51
4
10
3
13
2
10
1
139
Review by Firefox user 5787496
by Firefox user 5787496, 7 years ago
It won't install for Thunderbird and there is where I need it.