88 users
75 users
72 users
Adblock Plus
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).
3,723,716 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
3,212,472 users
Language: English (US)
Firefox Language Pack for English (US) (en-US)
2,332,950 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,188,842 users
Language: English (GB)
Firefox Language Pack for English (GB) (en-GB)
1,758,557 users
Language: English (CA)
Firefox Language Pack for English (CA) (en-CA)
1,658,828 users
AdBlock for Firefox
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.
1,198,207 users
Facebook Container
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.
956,080 users
Cisco Webex Extension
Join Webex meetings using Firefox ™
933,214 users
Language: Deutsch (German)
Firefox Language Pack for Deutsch (de) – German
929,529 users
Language: Français (French)
Firefox Language Pack for Français (fr) – French
923,602 users
Honey
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
780,998 users
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
771,235 users
756,975 users
IDM Integration Module
Download files with Internet Download Manager
703,092 users
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
700,086 users
TWP - Translate Web Pages
Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.
668,139 users
Language: Español (ES) (Spanish, Spain)
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
656,542 users
Norton Safe Web
Protects your browser from online threats.
620,521 users
Language: Русский (Russian)
Firefox Language Pack for Русский (ru) – Russian
613,822 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
555,872 users