uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,777,988 users
DuckDuckGo Privacy Essentials
Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the Internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search and more.
1,492,435 users
Privacy Badger
Automatically learns to block invisible trackers.
1,210,353 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,065,837 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,021,428 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.
297,815 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.
261,713 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
61,732 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,193,938 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.
954,091 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
505,374 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.
367,605 users
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
207,820 users
Surfshark VPN Extension
Enjoy unrestricted internet while keeping online activity and personal information secure!
83,661 users
AdNauseam
Blocking ads and fighting back against advertising surveillance.
67,598 users
I still don't care about cookies
Community version of the popular extension "I don't care about cookies" https://github.com/OhMyGuus/I-Dont-Care-About-Cookies
62,084 users
Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
61,366 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
52,439 users
Free VPN Proxy & Ad Blocker - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
51,546 users
Consent-O-Matic
Automatic handling of GDPR consent forms
42,777 users
Norton AntiTrack
Feel like you have little to no control over what information the sites you visit collect and share? Norton AntiTrack can help.
41,919 users
FastForward
Don't waste time with compliance. Use FastForward to skip annoying URL "shorteners".
41,556 users
LocalCDN
Emulates remote frameworks (e.g. jQuery, Bootstrap, AngularJS) and delivers them as local resource. Prevents unnecessary 3rd party requests to Google, StackPath, MaxCDN and more. Prepared rules for uBlock Origin/uMatrix.
18,746 users
Nervenschoner
Der Blocker der Verbraucherzentrale zaubert Cookie und Einwilligungs Banner einfach weg.
13,160 users
Flag Cookies
A cookie, and browser storage manager with cow powers!
11,975 users