Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Privacy & Security
Keyword Search No Restart Featured
Search in the awesome bar without changing your search engine.
Adblock Plus No Restart Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...
Latest updates: See bottom link 'version history'!
BugMeNot No Restart Featured
Bypass compulsory web registration with the context menu via www.bugmenot.com.
Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
CookieKeeper No Restart Featured
Extended Cookie Manager - Keep only wanted cookies.
Private Tab No Restart Featured
Adds private tabs.
Multifox No Restart Featured
An extension that allows Firefox to connect to websites using different user names. Simultaneously.
*** Multifox 2 users: try the "Window Mode" (Addons - Multifox - Options) ***
Master Password+ Featured
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
DuckDuckGo Plus No Restart Featured
DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!
ProCon Latte Content Filter Featured
Block web pages containing pornography or any other type of material based on keyword lists.
Password Tags Featured
Adds metadata and sortable tags to the password manager.
Form History Control Featured
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.
Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
Control for which webpage form history is saved or not.
Blur No Restart Featured
Protect your Passwords, Payments, and Privacy.
FB Phishing Protector No Restart Featured
Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.
LastPass Password Manager Featured
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.