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
Blur No Restart Featured
Protect your Passwords, Payments, and Privacy.
Add Google Search To New Tab Page Featured
An extension that adds a Google search box to the standard Firefox new tab page
Reader No Restart Featured
Reader is the ultimate Reader tool for Firefox.
cyscon Security Shield No Restart Featured
Protect yourself against cyber criminals!
Say no to botnets, malvertising, data breaches, phishing, and malware. Security - Made in Germany.
NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.
Cleanest Addon Manager No Restart Featured
Cleanup your Addon Manager
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.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
TinyURL Generator Featured
An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.
Google™ Translator No Restart Featured
Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.
LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
Print Edit Featured
Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
Bloody Vikings! Featured
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.
Web Developer Featured
The Web Developer extension adds various web developer tools to the browser.
Copy Plain Text 2 Featured
Copies text without formatting
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
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.
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.
PriceZombie, Price Tracker & Price Comparison No Restart Featured
Price tracker and price comparison! Price history charts and price drop alerts for over 100 stores including Amazon, BestBuy, OfficeMax, Target, Sears, Sam's Club, Fry's, HomeDepot, and many more!