17 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).
3,183,022 users
Language: English (US)
Firefox Language Pack for English (US) (en-US)
2,366,668 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,283,847 users
Language: English (CA)
Firefox Language Pack for English (CA) (en-CA)
1,741,365 users
Language: English (GB)
Firefox Language Pack for English (GB) (en-GB)
1,652,664 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,471,294 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.
1,288,457 users
Language: Français (French)
Firefox Language Pack for Français (fr) – French
1,067,883 users
Language: Deutsch (German)
Firefox Language Pack for Deutsch (de) – German
1,057,564 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.
965,410 users
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
696,577 users
Cisco Webex Extension
Join Webex meetings using Firefox ™
689,203 users
Language: Español (ES) (Spanish, Spain)
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
688,997 users
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's AI assistance. Get spell check, grammar check, generative AI, and more in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
673,991 users
IDM Integration Module
Download files with Internet Download Manager
623,611 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
553,323 users
Language: Русский (Russian)
Firefox Language Pack for Русский (ru) – Russian
549,347 users
Capital One Shopping: Save Now
Capital One Shopping instantly applies coupon codes to your shopping cart, helps you snag exclusive rewards when you shop at stores you love and compares prices on Amazon to other popular retailers. It's kinda genius.
542,345 users
Language: Español (MX) (Spanish, Mexico)
Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico
538,587 users
492,190 users
Norton Safe Web
Protects your browser from online threats.
476,065 users