To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
- All Add-ons
- Search Tools
- Any Firefox
- Firefox 44.0
- Firefox 43.0
- Firefox 42.0
- Firefox 41.0
- Firefox 39.0
- Firefox 30.0
- Firefox 26.0
- Firefox 20.0
- Firefox 3.6
220 matching results
Search Results for tag "security"
SSleuth No Restart
How strong is your HTTPS connection? SSleuth ranks an established SSL/TLS connection and gives a brief summary of the cipher suite, certificate and other SSL/TLS parameters.
Right Click - about:permissions No Restart
A lightweight addon which opens 'about:permissions' (i.e Permissions Manager) in new tab on selecting 'Open about:permissions' from right click menu.
Configuration Mania No Restart
More Advanced (hidden) configures
UniquePasswordBuilder Addon No Restart
That addon allows you to build strong and different password for each site you visit.
Plain Text Offenders No Restart
NoScript Security Suite 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.
LastPass Password Manager Featured
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
NoScript Suite Lite No Restart
Block Scripts on Untrusted Websites
Ghostery No Restart Featured
Enjoy a faster, safer and cleaner browsing experience.
ZenMate Security & Privacy VPN No Restart Featured
Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.
Privacy Settings No Restart Featured
Alter Firefox's built-in privacy settings easily with a toolbar panel.
ThreatStream Plugin No Restart
The ThreatStream plugin leverages the ThreatStream OPTIC API to quickly query information about threats from the Firefox browser, send a URL to the Sandbox to analyze quickly, search TIP reports, or report false positives to the OPTIC directly.
SSLPersonas No Restart
SSLPersonas shows you how secure a web page is in a very obvious way: It changes the Firefox theme according to the SSL status of a website.
masterpassword for Firefox No Restart
Keep different passwords for every site you log into without having to remember anything but a single master password. And without the risk of your getting your password list stolen.
MasterPassword is available for all your devices!
Disable Speculative Pre-connections No Restart
Hide in the forest, with speculative pre-connections cleanly disabled.
Set cookie permissions for the site you are viewing.
Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog
Prevents to save passwords.
One Click Proxy IP No Restart
The easiest way ever to change IP and browse anonymously! Just activate it with one click and it's done, you're browsing the web with a random HTTP or Socks proxy list from several countries in the world. No ads. 100% free to prevent web censorship.