uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
11,480,087 users
Privacy Badger
You need more than an ad blocker. Stop companies from spying on you with an extension developed by member-supported digital rights nonprofit EFF.
1,930,676 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,854,520 users
DuckDuckGo Search & Tracker Protection
⚡Protects your data. Private search with optional AI, private browsing, and ad blocking.
1,088,975 users
Bitwarden Password Manager
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
1,042,123 users
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1,025,853 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.
503,196 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
249,409 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
241,051 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
222,641 users
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
90,277 users
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
85,428 users
Clear Cache
Clear Firefox cache and selected browsing data from the toolbar, context menu, or F9 shortcut. Choose what to clear, pick a time range, and optionally reload the active tab.
74,560 users
Disconnect
Block the trackers that feed AI-powered attacks. Disconnect stops thousands of hidden trackers across advertising, analytics, social, and fingerprinting, making pages load up to 44% faster. Trusted to help protect 350M+ users.
61,772 users
RoboForm Password Manager
RoboForm Password Manager makes your life easier by remembering passwords and logging you into websites automatically
54,135 users
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
51,192 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
40,394 users
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
29,178 users
