uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
6,290,158 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,110,430 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
927,723 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.
308,054 users
AdNauseam
Blocking ads and fighting back against advertising surveillance.
51,731 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience.Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
510,647 users
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
363,695 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.
64,610 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.
59,013 users
Free VPN Proxy & Ad Blocker - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
34,680 users
Nervenschoner
Der Blocker der Verbraucherzentrale zaubert Cookie und Einwilligungs Banner einfach weg.
16,271 users
Privacy.com for Firefox
Privacy.com's Firefox add-on allows you to generate a new virtual card number with 1-click on any checkout page. Keep your payment info safe from data breaches, shady merchants, and sneaky subscription billing.
9,827 users
VPN Unlimited Proxy - Best VPN browser extension
VPN Unlimited - reliable, easy-to-use, and lightning-fast VPN extension for Firefox browser
4,810 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)
2,561 users
Fair AdBlocker
Block annoying ads, popups, malware and tracking (even on Facebook & Youtube), browse faster and protect your privacy.
972 users
VPN Free Unlimited - VPNLY
Free & Unlimited Proxy - without any restrictions and limits
378 users
CIRA Canadian Shield
Protect your personal devices (and your family!) from malware and phishing with a free public DNS made exclusively for users in Canada.
233 users
Web Risk Info
Stay safe when browsing the Internet by getting information about the reliability of sites in real time.
161 users
Rentgen
Rentgen illustrates the amount of tracking scripts on a website and helps with formulating an email to the website admin, which can be a basis for a GDPR complaint.
131 users
Ninja Hacker Cat
Ninja Hacker Cat makes basic web security checks for you!
116 users
Safe Web
Web filter. Blocker for porn, malicious and adult sites.
113 users
Ultimate Ad Blocker
Block YouTube ads, banner ads & fight malware!
110 users
Web3 Antivirus
The security tool protects you from web3 scams by auditing transactions and detecting phishing websites.
62 users
firewall
[č]Allows website requests filtering and header alteration --- icon from: Martz90 http://martz90.deviantart.com/art/Hex-Icons-Pack-389706981
47 users
SafeToOpen Online Security
SafeToOpen Online Security protects you against scams, viruses, and phishing sites.
35 users