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.
302,150 users
AVG Online Security
AVG Browser Security and Web Reputation Plugin. Offering protection against known phishing and malware sites, improving your browsing overall browsing experience with crowd sourced web reputation rating.
3,805 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.
27,222 users
AdGuard VPN — Privacy & Security
Makes the Internet open and your data safe. Topnotch VPN from the creators of famous ad blocker.
7,383 users
Emsisoft Browser Security
Blocks bad websites and prevents phishing without tracking your browsing activity.
6,212 users
SpyHunter® Web Security
SpyHunter® Web Security identifies and blocks malicious web content and other potential security threats.
1,351 users
Browsing Protection by F-Secure
Extension for protecting encrypted browsing with security products by F-Secure.
196,727 users
Ivacy VPN: Best Free VPN for Privacy and Security
The best Free Firefox extension for content, security & privacy. Enjoy unlimited bandwidth and speed.
4,032 users
Link Virus Check - Security Plus
Security Plus is a browser extension that provides free checking of urls for viruses. It uses up to 64 different antivirus products and scan engines to check for viruses that the user's own antivirus solution may have missed.
915 users
Avast SecureLine VPN
Control your Avast SecureLine VPN from the comfort of your browser. Easily turn your VPN on and off, or change your server location, with our simple but powerful extension. All you need is Avast SecureLine VPN with a valid license.
8,737 users
Secure Kit
Make your browser anonymous in 1 click
484 users
CMC Security Online
chặn các website độc hại bằng url hoặc keyword
132 users
Web Security Audit
Passively audits the security posture on current page
98 users
Laboratory (Content Security Policy / CSP Toolkit)
Because good website security shouldn't only be available to mad scientists! Laboratory is a WebExtension that helps you generate a Content Security Policy (CSP) header for your website.
2,726 users
Push Security
Keep your users secure.
56 users
VirusTotal Website Security Check
Automatically opens a VirusTotal website scan page on the URL you are visiting right now, in just a click of a button.
726 users
Content Security Policy (CSP) Generator
Automatic Content Security Policy (CSP) Generator. Generate a Content Security Policy header in minutes on any website. Built by https://csper.io
822 users
Touch VPN - Secure VPN proxy for unlimited access
Unblock any blocked website and stay secure with Touch VPN. One-click connect to unrestricted browsing through our fast VPN connection. Unlimited bandwidth and completely FREE!
80,996 users
Trinetra Browser Security
Manage Firefox using Trinetra Browser Security extension
247 users
security.txt
Displays the security.txt and humans.txt files for a website if available.
38 users
mSecure
Companion browser extension app for mSecure, providing automated help for online account management.
213 users
Malware.AI Browser Security
The Malware.AI Browser Security for Firefox extension provides more security while browsing the Internet. It instantly scans inline documents, downloaded documents and links to documents against viruses and blocks them if malicious content is found.
167 users
Secure Password Generator
Easy to use add-on to create random secure passwords.
5,544 users
Securden
The most secure, web-based password management for teams of all sizes.
230 users
Ashampoo Browser Security
Blocks dangerous websites that distribute malware and prevents phishing attacks.
174 users