28 users
25 users
17 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).
3,943,176 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
3,428,443 users
Language: English (US)
Firefox Language Pack for English (US) (en-US)
2,418,829 users
Language: English (GB)
Firefox Language Pack for English (GB) (en-GB)
1,828,255 users
Language: English (CA)
Firefox Language Pack for English (CA) (en-CA)
1,688,650 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.
1,207,810 users
Cisco Webex Extension
Join Webex meetings using Firefox ™
1,043,625 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.
1,023,652 users
Language: Deutsch (German)
Firefox Language Pack for Deutsch (de) – German
993,637 users
Language: Français (French)
Firefox Language Pack for Français (fr) – French
950,524 users
848,959 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.
845,580 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.
819,659 users
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
704,046 users
IDM Integration Module
Download files with Internet Download Manager
699,779 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.
679,485 users
Norton Safe Web
Protects your browser from online threats.
662,435 users
Language: Русский (Russian)
Firefox Language Pack for Русский (ru) – Russian
646,287 users
Language: Español (ES) (Spanish, Spain)
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
618,170 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
581,718 users