Search Results for tag "security"

Disable WebRTC

WebRTC leaks your actual IP addresses from behind your VPN, by default.

Rated 5 out of 5 stars (33)
46,212 users

HackBar Requires Restart

Simple security audit / Penetration test tool.

Rated 4 out of 5 stars (45)
32,617 users

CryptoFox Requires Restart

CryptoFox is an encryption/decryption tool for Mozilla Firefox, with dictionary attack support for cracking MD5 passwords.

Rated 3 out of 5 stars (5)
1,465 users

Mason Requires Restart

This extension can simplify the rule to just specify the URI and Content type and can enable/disable each rule separately.
What's more, it can customize the web pages by user scripts which is similar to Grease Monkey.

Rated 5 out of 5 stars (67)
4,909 users

Groundspeed Requires Restart

Groundspeed is an add-on that allows security testers to manipulate the application user interface to eliminate annoying limitations and client-side controls that interfere with the web application penetration tests.

Rated 5 out of 5 stars (7)
1,620 users

NoRedirect Requires Restart

NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.

Rated 4 out of 5 stars (52)
14,426 users


Websecurify is a powerful cross-platform web security testing technology designed from the ground up with simplicity in mind.

Rated 3 out of 5 stars (7)
2,857 users

NoScript Security Suite Requires Restart Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,581)
2,124,696 users

PhishTank SiteChecker Requires Restart

PhishTank SiteChecker gives Firefox users a way to bring the community judgment of PhishTank ( into their favorite browser, for extra protection against phishing...

Rated 4 out of 5 stars (9)
414 users

Disable Visited Links

This plugin cleanly disables visited link styles.

Rated 4 out of 5 stars (3)
772 users

ClearAllCookiesButton Requires Restart

A simple button to Clear All Cookies

Not yet rated
70 users

Ad Hacker Requires Restart

Ad Hacker shows you which advertisers and publishers are following you around the Internet. Developers can see details about Javascripts, beacons, and other web bugs. Write your own rules for finding bugs in XML, or visit

Rated 4 out of 5 stars (12)
113 users

PUTAt Requires Restart

A basic add-on for PUT files at the current domain.

Rated 1 out of 5 stars (1)
1 user


Create, edit, set and export customisable Proxy Auto-Configuration (PAC) easily

Rated 5 out of 5 stars (1)
70 users

Right Click - about:permissions

A lightweight addon which opens 'about:permissions' (i.e Permissions Manager) in new tab on selecting 'Open about:permissions' from right click menu.

Rated 5 out of 5 stars (1)
700 users Analyser

Click to show the score for the current page. Click again to show the full report on our site.

Rated 5 out of 5 stars (1)
55 users

Counterpixel Requires Restart

Display the counting/measurement pixel of a website.

Rated 4 out of 5 stars (7)
807 users

refspoof Requires Restart

Easy spoofing of the URL referer (referrer) featuring a toolbar

Rated 4 out of 5 stars (21)
899 users

Privacy + Requires Restart

Better Protection. Did you know that web sites use Flash to track you with Flash based cookies?
Privacy Plus will add a simple checkbox in the [Clear Recent History] dialog that will allow you to delete these cookies (Flash LSO) anytime you like.

Rated 4 out of 5 stars (23)
294 users

Port Scanner Requires Restart

This extension scans the TCP ports.

Rated 4 out of 5 stars (1)
287 users