uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
8,343,565 users
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,421,010 users
Privacy Badger
Automatically learns to block invisible trackers.
1,264,140 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,189,246 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.
1,011,742 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
503,403 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.
289,716 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.
256,654 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
61,310 users
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
32,873 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,911,873 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
485,856 users
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
304,081 users
ZenMate Free VPN
ZenMate VPN - The best free Firefox VPN extension to hide your IP. Encrypt your connection, access our secure proxy servers & unblock websites easily.
71,247 users
AdNauseam
Blocking ads and fighting back against advertising surveillance.
62,854 users
FastForward
Don't waste time with compliance. Use FastForward to skip annoying URL "shorteners".
41,415 users
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
39,970 users
Indie Wiki Buddy
Helping you discover quality, independent wikis! When visiting a Fandom wiki, Indie Wiki Buddy redirects or alerts you of independent alternatives. It also filters search engine results. BreezeWiki is also supported, to reduce clutter on Fandom.
38,615 users
TTV LOL PRO
TTV LOL PRO removes most livestream ads from Twitch.
33,057 users
DeArrow - Better Titles and Thumbnails on YouTube
Crowdsourcing titles and thumbnails to be descriptive and not sensational
24,454 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.
17,981 users
YouTube Search Fixer
Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.
15,164 users
Nervenschoner
Der Blocker der Verbraucherzentrale zaubert Cookie und Einwilligungs Banner einfach weg.
12,740 users
Blue Blocker
Blocks all Twitter Blue verified users on twitter.com
11,423 users
Yandex Evolution
Popular Russian search engine by Yandex (Яndex, Яндекс)
9,602 users