Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
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Choose from thousands of extra features and styles to make Firefox your own.
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qSnap - Screen Capture, Screenshots, Annotation
Requires Restart
Capture multiple Web pages, crop, annotate, add callouts, add notes, cover sensitive information. Save files to our free hosting service. Share a file URL or save locally to your computer. Completely free!
This add-on is not compatible with your version of Firefox because of the following:
Quebrador de Links
Requires Restart
Cansado(a) de sites que pedem para cadastrar seu celular ou baixar um programa ao fazer um download? Utilize o Quebrador de Links!
This add-on is not compatible with your version of Firefox because of the following:
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
This add-on is not compatible with your version of Firefox because of the following:
Quick Locale Switcher
Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
This add-on is not compatible with your version of Firefox because of the following:
Quick Page Switcher
Requires Restart
Replace URL by regular expression, you can switch the page quickly.
This add-on is not compatible with your version of Firefox because of the following:
Quick Paste
Requires Restart
Have you ever wanted to send a article or long conversation over IM or post to twitter, only to have it be over the limit on size? What about a cool way to share data without the fuss? Thats what TinyPaste is! Its like TinyURL but for text!
This add-on is not compatible with your version of Firefox because of the following:
Quick Preference Button
Requires Restart
Access common preferences from a menu button. It includes settings for page download and display, tabs, proxy, spoofing user agent (user agent switching), enable or disable the Adblock extension and more. Click on More Previews>> under the...
This add-on is not compatible with your version of Firefox because of the following:
Quick Response foxThis add-on is not compatible with your version of Firefox because of the following:
QuickFrame
Requires Restart
Allows quick access to frame functions via the context menu by overriding "Reload", "View Page Source" and "View Page Info". Instead of being applied to the main window, those functions now apply to the current frame only.
This add-on is not compatible with your version of Firefox because of the following:
QuickInbox Generator
Requires Restart
Easily generate a QuickInbox.com disposable e-mail address to use on any site. Automatically fills e-mail field of the page you are on with a random @quickinbox.com e-mail address and opens your inbox in a new tab.
This add-on is not compatible with your version of Firefox because of the following:
QuickJava
Requires Restart
Featured
Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.
This add-on is not compatible with your version of Firefox because of the following:
quickloginThis add-on is not compatible with your version of Firefox because of the following:
QuickRestart
Requires Restart
Ever needed to restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files (such as userChrome.css or user.js)?
This simple extension adds a "Restart Firefox" item to the "File" menu. You can ...
This add-on is not compatible with your version of Firefox because of the following:
QuickToggles
Requires Restart
Toggle cookies, javascript with a single click, and manage simple http proxy config, in the status bar.
This add-on is not compatible with your version of Firefox because of the following:
quinz.me - Image Host Add-On
Requires Restart
With this Add-On you can upload your images to http://host.quinz.org made available by http://quinz.org
This add-on is not compatible with your version of Firefox because of the following:
quip
Requires Restart
Please write a review to get this out of Sandbox into mainstream!! Will be much appreciated!!
The quip (quick-ip) addon eliminates typing in the first two octets of the ip address. Typically in intranet testing or development environments, you access...
This add-on is not compatible with your version of Firefox because of the following:
This add-on is not compatible with your version of Firefox because of the following:
QVGAコンバータThis add-on is not compatible with your version of Firefox because of the following:
Qworum for Firefox®
Requires Restart
Provides advanced browser capabilities for modularizing and integrating web applications.
This add-on is not compatible with your version of Firefox because of the following:
qyercut
Requires Restart
穷游剪辑是穷游网推出的一款旅游剪贴板工具，帮你记录看到的，想到的和体验到的一切。不论你身在何处，都可以轻松编辑、访问、并导出为PDF。你还可以通过穷游剪辑获取更多穷游行程助手的附加产品功能，详情见官网。
This add-on is not compatible with your version of Firefox because of the following:
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