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
Font Finder Featured
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
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!
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.
Google Translator for Firefox Featured
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
Private Tab No Restart Featured
Adds private tabs.
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
Reload Plus No Restart Featured
Supercharge your reload button and hotkeys!
Tab Scope Featured
Preview and navigate tab contents through popup.
Classic Toolbar Buttons No Restart Featured
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.
Beta builds on versions page!
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.
Pearltrees No Restart Featured
Pearltrees lets you organize all your interests.
Pray Times! Featured
Display daily Muslim prayer times.
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!
Screengrab (fix version) Featured
Screengrab! saves webpages as images.
New features: upload to internet
Slim Add-ons Manager No Restart Featured
The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.
FindBar Tweak No Restart Featured
Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!
Keyword Search No Restart Featured
Search in the awesome bar without changing your search engine.
F.B. Purity - Cleans Up Facebook No Restart Featured
F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.
Privacy Settings No Restart Featured
Alter Firefox's built-in privacy settings easily with a toolbar panel.
New Tab Tools No Restart Featured
Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...