uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,352,975 users
Privacy Badger
Automatically learns to block invisible trackers.
1,737,192 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,359,682 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.
1,071,493 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.
296,452 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.
262,736 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,792,919 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.
233,840 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
91,994 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.
63,107 users
AdNauseam
Blocking ads and fighting back against advertising surveillance.
62,434 users
Consent-O-Matic
Automatic handling of GDPR consent forms
50,894 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.
19,054 users
UnTrap for YouTube
Hide YouTube recommendations, shorts, comments, suggestions, related videos, trending and other distractions.
16,279 users
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends.
8,726 users
Free VPN
1VPN - Free VPN Proxy, Unlimited Data, Fast Speeds, Secure Encryption, No-Logs Policy, & Easy to Use.
7,943 users
Lock Adblock
Lock Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.
7,232 users
wiki.gg Redirect
Redirects all requests from wikis that have moved to wiki.gg from their former host.
6,603 users
Random User-Agent (Switcher)
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
4,766 users
Video Ads Blocker in Youtube™
Let YouTube no ads. Auto skip ads when watching YouTube videos.
2,640 users
FMHY SafeGuard
An extension that detects starred, safe, unsafe or potentially unsafe sites using the FMHY Filterlist.
2,085 users
AdDefender - AdBlocker
This extension blocks ads on websites to improve user experience.
1,071 users
CastleBlock
Removes the Paywall from certain webpages, such as some News Outlets. Use by clicking on the extension
594 users
Anti-Grabify
Blocks IP grabber links from Grabify and other known IP grabber sites.
542 users
JShelter
JShelter controls the APIs provided by the browser. The goal is to improve the privacy and security of the user running the extension.
510 users