Extensions

Explore powerful tools and features to customize Firefox and make the browser all your own.

Explore all categories

Featured extensions

uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Rated 4.6 out of 5
Raymond Hill
4,808,708 users
Tab notifier
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
Rated 4.1 out of 5
Giuseppe Angelone
1,600 users
Kimetrak
Kimetrak (Who's tracking me) is an extension allowing you see at a glance what third-party domains are loaded from websites you visit. You can access detailled statistics with a list allowing you to analyse what services are able to track you online.
Rated 4.5 out of 5
David L.
3,358 users
Undo Close Tab
Allows you to restore the last closed tab with just one button click and gives you access to the list of recently closed tabs in the button context menu.
Rated 4.7 out of 5
Manuel Reimer
26,226 users

Top rated extensions

Trending extensions