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
Extensions by Name
Small Clock No Restart
A simple and small 24hr clock which sits in your toolbar. Ideal for fullscreen browser use.
Click on the time to cycle through different colours to find one appropriate for your theme or mood.
Small Firewall No Restart
SFW is a simple content filter to limit ADs from crossdomain website.
If a website contains <iframe src="http://ads.othersites.com"></iframe>, and "ads.othersites.com" is not the site currently you are visiting.
Small Nav Bar will resize the navigation bar, so you can gain a little extra space. Mini nav bar. Compact back/forward button.
Turn your Firefox into a cellphone browser. It adds a new menu entry "Small Screen Rendering" under the View menu. Just select it to have the page you are currently browsing redisplayed in a cellphone...
Small Tabs No Restart
Compact tab and navigation bar buttons for Firefox Australis. 33 tabs in a row. TMP
Small iconized tooltip for HTML pages with additional information...
Smaller Firefox No Restart
Makes stuff smaller to save space. Smaller Firefox compress navigation and tab toolbars. Restartless.
Small tooltip for HTML pages with additional information.
Smaller View No Restart
Makes stuff smaller to save space. Smaller View compress navigation and tab toolbars. Restartless. Australis.
SmallURL No Restart
SmallURL for Firefox, Smallify in a click!
The small and simple URL Shortener has hit Firefox!
You can now shorten your URLS in a click, They're even put on your clipboard too!
When this extension is activated, the zoom of small windows (less than 500px width) is automatically adjusted to display the content as in a 1024px window.
Smarky lets you manage your Simpy bookmarks in firefox from a sidebar, menu, toolbar, and a quick search dialog.
Use your Address Bar like a Search Engine! The Smart Address Bar helps you discover new sites without searching for them. Simply type a few letters of your search term and the Smart Address Bar will suggest keywords and websites while you type.
Smart Ads Blocker No Restart
Smart Ads Blocker v1.0 for Facebook and YouTube
Note from Mozilla: This add-on has been discontinued. Try Roomy Bookmarks Toolbar instead.
The Smart Digg Button allows you to see whether or not the web page you are currently viewing has been submitted to Digg and lets you submit it if it hasn't.
A Smart way to Find the most similar word in the page. In this extension, we present an improvement to the Find method in Firefox, which allows a user to find a word by just giving clues to the method. SmartFind allows the user to use the traditional...
Smart HTTPS No Restart
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.