Top Firefox add-ons
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147,707 results. Page 1 of 5909.
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10,634,962
4.80 
(21,851)
(21,851)
One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
2,896,161
4.38 (11,387)
(11,387)
Firefox Language Pack for English (US) (en-US)
2,343,662
4.14 (877)
(877) Firefox Language Pack for English (CA) (en-CA)
2,064,102
4.31 (81)
(81) Firefox Language Pack for English (GB) (en-GB)
1,875,146
3.74 (1,007)
(1,007)
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,807,810
4.81 (3,090)
(3,090)
Download videos from the web. Easy, smart, no tracking.
1,788,158
4.30 (41,926)
(41,926)
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,697,330
4.64 (6,875)
(6,875)
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
1,324,230
4.22 (3,527)
(3,527)
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,286,996
4.49 (6,866)
(6,866)
Capture a screenshot of the whole webpage, and save in your desktop in default.
1,240,617
3.85 (760)
(760) Firefox Language Pack for Deutsch (de) – German
1,224,898
4.15 (1,337)
(1,337) Firefox Language Pack for Français (fr) – French
1,134,859
4.19 (1,445)
(1,445)
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,102,947
4.77 (27,148)
(27,148)
⚡Protects your data. Private search with optional AI, private browsing, and ad blocking.
1,085,734
4.34 (2,359)
(2,359)
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
999,622
4.42 (5,606)
(5,606)
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
952,012
4.60 (9,275)
(9,275)
Returns ability to see dislike statistics on youtube
906,775
4.65 (4,894)
(4,894)
Tampermonkey is the world's most popular userscript manager.
764,729
4.70 (5,281)
(5,281)
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
761,480
4.45 (4,115)
(4,115)
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
741,180
4.81 (3,146)
(3,146) Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
718,505
4.38 (745)
(745)
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
659,151
4.07 (3,637)
(3,637)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
576,593
4.65 (292)
(292)
Translate your page in real time using Google, Bing or Yandex.
It is not necessary to open new tabs.
560,866
4.76 (3,737)
(3,737)147,707 results. Page 1 of 5909.