Pro usar iste additivos, tu debera discargar Firefox.

Aperir session
Icone del additivo

Recensiones de Duplicate Tab Shortcut

Duplicate Tab Shortcut per Stefan Sundin

4,4 Stellas de 5
5
46
4
4
3
1
2
0
1
7
Responsa per Stefan Sundin

Responsa de disveloppator

publicate pred 8 leti
Update: Firefox 60 added the ability to customize shortcuts, and v1.4.0 was just release to support this. Hope you like it!