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
The first and only download manager/accelerator built inside Firefox!
Google search link fix No Restart Featured
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more
Tab notifier Featured
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
Lightweight Themes Manager No Restart Featured
Manage your installed personas (lightweight themes).
Blur No Restart Featured
Protect your Passwords, Payments, and Privacy.
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) ***
Adblock Plus Pop-up Addon Featured
Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.
YouTube Video and Audio Downloader No Restart Featured
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
Session Manager No Restart Featured
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
Fox Web Security Featured
Protection from adult content (parental control) and from dangerous sites.
Entrust protection for yourself and your children to professionals!
Undo Closed Tabs Button Featured
Tired of going to History -> Recently Closed Tabs just to undo a closed tab? Then this extension is for you!
This extension allows you to undo closed tabs via a toolbar button or the right-click context menu.
OmniSidebar No Restart Featured
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
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).
YouTube Enhancer Plus Featured
One of the best YouTube™ add-ons for Firefox! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.
Saved Password Editor Featured
Adds the ability to create and edit entries in the password manager.
Location Guard No Restart Featured
Hide your geographic location from websites. Report a fake location with the addition of random noise in order to protect your privacy. Per site settings with three configurable levels of accuracy or even the possibility to use a fixed location.