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

Qqen
Tignit n uzegrir

Iceggiren i Modify Header Value

Modify Header Value sɣur Milen, Linder

3,7 n yitran ɣef 5
5
30
4
8
3
10
2
6
1
9
Icegger-it Aseqdac Firefox 13186814
sɣur Aseqdac Firefox 13186814, pred 7 leti
Works well, but minus 1-star for the lack of ability to edit a rule or even copy/paste the existing fields.