To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseFilter Results
-
Category
-
Works with
182 matching results
Search Results for tag "jetpack"
Sort by:
McAfee Security Scan Plus detection
This extension allows Adobe installers to detect McAfee Security Scan Plus software is installed on your PC.
PageRank
Requires Restart
Faster | Lighter | Simpler. A very light weight addon to check Google PageRank and Alexa traffic rank for Mozilla Firefox.
WebDriver Element Locator
This addon is designed to support and speed up the creation of WebDriver scripts by easing the location of web elements.
Go-Mobile [Speed Boost]
Tell websites your browser is a phone. Very handy for dial-up connections, or just to speed up browsing. Simple, small, and fast. Go Mobile.
Custom User-Agent String
Set custom User-Agent string. Also available for Firefox on Android.
Test IE
Test IE allows users to preview and test their websites in all versions of Internet Explorer (IE6, IE7, IE8, IE9, IE10 and IE11) directly in BrowserStack through Mozilla Firefox.
Copy HTML
Adds a 'Copy HTML' context menu item which allows you to copy the HTML for the selected content.
FoxBleed
Checks the websites you are visiting whether they are affected by the Heartbleed vulnerability.
Screen sizes
Allow add news presets for used in the responsive UI tool. Include name, width and heigth using local storage in your browser. This addons provide a custom presets for the responsive UI tool, that can be installed in preferences option.
HTML5 Outliner
Displays the HTML5 document outline of the current web page. HTML5 Outlines are composed of labels for important structural elements (e.g., heading text, table titles, form titles etc).
Source Code: https://github.com/arky/html5-outliner-addon
CSS Live Reloader
CSS Live Reloader is a firefox extension to ease website CSS development. The extension reloads a page CSS whenever it changes on the server, resulting in something close to live editing of the Cascading Stylesheet.
A Better Firefox Add-on Bar
This add-on tweaks the default add-on bar and makes it look much cleaner and more convenient, simply hover over the add-on bar area at the bottom right side of the browser window and you'll see your icons all neatly organized, it has transitions.
To create your own collections, you must have a Mozilla Add-ons account.