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.
1,347,477 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
1,262,863 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,156,123 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.
816,546 users
Language: Español (ES) (Spanish, Spain)
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
783,694 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
597,744 users
Language: Español (MX) (Spanish, Mexico)
Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico
587,900 users
Grammarly: AI Writing and Grammar Checker App
From blank page to polished draft, Grammarly’s AI helps you write faster and stronger. Get real-time grammar fixes, tone transformations, and instant content generation right where you write in Firefox.
580,927 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.
513,506 users
Browsec VPN
Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN extension, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.
486,571 users
Malwarebytes Browser Guard
Fast and safe browsing that protects your privacy. Block trackers, ads, phishing, and malicious content—so you stay secure and in control.
456,258 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
420,095 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
405,347 users
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
398,551 users
Language: 简体中文 (Simplified Chinese)
Firefox Language Pack for 简体中文 (zh-CN) – Simplified Chinese
386,769 users
