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

Qqen
Tignit n uzegrir

Iceggiren i theme-color polyfill

theme-color polyfill sɣur Марко Кажић

4,8 n yitran ɣef 5
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Icegger-it vladio
sɣur vladio, 4 vite më parë
If you are trying to debug your PWA application or you just want a dynamic browser header, then I guess this add-on will do.
5 n yiceggiren