uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
11,499,703 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.
1,936,051 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,858,582 users
DuckDuckGo Search & Tracker Protection
⚡Protects your data. Private search with optional AI, private browsing, and ad blocking.
1,092,348 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.
1,028,020 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.
506,380 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.
249,693 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.
241,367 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
90,501 users
Sink It for Reddit
Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!
24,933 users
uBlock Origin Lite
An efficient content blocker. Blocks ads, trackers, miners, and more immediately upon installation.
22,311 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,060,354 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.
743,894 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.
419,887 users
NordVPN - a VPN proxy extension for Firefox
Looking for the best VPN extension for Firefox? NordVPN's Firefox VPN proxy extension lets you hide your IP, change your virtual location, and stay safe online with a click. Get a fast, secure, and unlimited VPN for Firefox!
311,044 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.
253,848 users
VPN
1VPN - Free VPN Proxy, Unlimited Data, Fast Speeds, Secure Encryption, No-Logs Policy, and Easy to Use.
172,279 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
116,022 users
Surfshark VPN - Extension — fast & private
Protect your Mozilla Firefox browsing with Surfshark VPN — fast, secure, private.
115,609 users
Free VPN Proxy & Ad Blocker - Planet VPN
Secure your web browsing with Planet VPN - a free VPN proxy addon and Mozilla Firefox extension. Unblock websites, hide your IP and location, block ads and trackers. Fast, unlimited, no registration, no logs.
68,087 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.
51,966 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.
50,796 users
