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.
243,793 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
88,096 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.
461,299 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
324,257 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!
311,961 users
ESET Browser Privacy & Security
Enjoy extended browser protection with ESET Browser Privacy & Security—includes the unique Metadata Cleanup, Secure Search and more.
227,036 users
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
202,216 users
Surfshark VPN - Extension — fast & private
Protect your Mozilla Firefox browsing with Surfshark VPN — fast, secure, private.
115,116 users
Avira Browser Safety
Avira Browser Safety helps identify internet addresses that are harmful to your system when you are browsing the web and protects your privacy by preventing invisible trackers.
62,683 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.
51,305 users
Lock Adblock
Lock Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.
13,956 users
Spotify Adblock
Block Spotify ads instantly. Skip audio and banner ads in the Spotify web player and enjoy uninterrupted music.
6,003 users
Google Analytics Opt-out
Prevents the Google Analytics and Tag Manager's JavaScript APIs from collecting data and recording the user
5,139 users
FMHY SafeGuard
An extension that detects starred, safe, unsafe or potentially unsafe sites using the FMHY Filterlist.
5,098 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
4,650 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2,333 users
SpyHunter® Web Security
SpyHunter® Web Security identifies and blocks malicious web content and other potential security threats.
1,971 users
Video Ads Blocker in Youtube™
Let YouTube no ads. Auto skip ads when watching YouTube videos.
1,903 users
PrivacyX
PrivacyX is an all-in-one extension designed to fully protect your online privacy. It instantly clears all digital traces, including sent and received requests, browsing history, cookies, , cache, and downloads. + vpn mullvad & uBlock Origin
1,451 users
Rainbow
Rainbow is a fun, simple, and secure Ethereum wallet that makes managing your assets a joy. Available in public Beta.
871 users