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

Qqen
Tignit n uzegrir

Iceggiren i Snooze Tabs

Snooze Tabs sɣur Mozilla Test Pilot

4 n yitran ɣef 5
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53
4
25
3
11
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11
1
5
Icegger-it matastic
sɣur matastic, pred 8 rokmi
Very good extension. Only problem so far is, when you chose time, it doesn't overflow outside the box :(