Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Torrent Tornado Featured
Reader No Restart Featured
Reader is the ultimate Reader tool for Firefox.
Clean Links No Restart Featured
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.
Webmail Ad Blocker No Restart Featured
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
Ghostery No Restart Featured
Enjoy a faster, safer and cleaner browsing experience.
Nimbus Screen Capture - editable screenshots No Restart Featured
Screen capture Web Page, selected region or whole browser window, edit screenshots and save the images to Local File or Google Drive. Edit screenshots in a very user-friendly interface with the different tools.
Self-Destructing Cookies No Restart Featured
Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
Capture & Print No Restart Featured
This add-on lets you print a webpage's area easily.
YouTube Video and Audio Downloader No Restart Featured
Theme Font & Size Changer No Restart Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
FlashGot Mass Downloader Featured
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Public Fox Featured
Block downloads, lock down bookmarks/addons/downloads with a password.
Addictive Typing Lessons Featured
Learn touch typing, or improve your typing.
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.
User Agent Switcher Featured
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
LastPass Password Manager Featured
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
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!
Show My Password Featured
You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.