Best Firefox Addons

There are thousands of add-ons and everyone will have some that they like or find useful. Some integrate search and bookmarking, others provide ways to view and take notes, some make minor, but wonderful adjustments.

Umibozu is a search extension to cross search on Yahoo, google and MSN simultaneously, and provide feedback on the results. It uses as the main platform.
KidZui Launches a fun, kid-safe browser within Firefox that has over 1.5 million parent-approved websites and videos. Your kids can surf freely without accidentally (or intentionally) visiting inappropriate sites. KidZui also offers a stand-alone client.
CustomizeGoogle Firefox Addon A Firefox extension that enhance Google search results by adding extra information (like links to Yahoo,, MSN etc) and removing unwanted information (like ads and spam). All features are optional and easily configured. intro movie Some great features: Suggest words when typing a query, Stream the Google search result, Make your Google preferences stick.
StumbleUpon Allows you to discover and share great Web content matched to your personal preferences. Whether it?s a website, video, picture, game, blog, or wiki, StumbleUpon helps you find interesting pages recommended by like-minded people with a single click of the Stumble button. After installing the plug-in, which adds a toolbar to your browser, you choose one or more topics of interest: astronomy, politics, television, and so on. Click the Stumble button and you’re instantly delivered to a related site that others have given the thumbs-up. Likewise, when you “stumble upon” a site you like (*cough* Unlimited*cough), click the “I like it” button to share the page with others. The more sites you rate, the better your Stumbles will match your tastes. If you rate a site that isn’t in the StumbleUpon database yet, you can enter some basic information about it so others can stumble onto it.
GMail Manager Allows you to manage multiple Gmail accounts and receive new mail notifications. Displays your account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.
Gmail Notifier Allows you to monitor multiple gmail accounts from a statusbar or toolbar icon. It can display a small notification when mail is received or play a sound file of your choice. Clicking on the icon will open the current gmail account in the current tab, a new focused or unfocused tab, or a new window depending on your preferences.
Yahoo Mail Notifier This extension notifies you when new messages arrive in your Yahoo mail account. It’ll display a little pop-up to catch your attention if you want it to. Clicking the icon takes you to Yahoo mail. Notification options include: customizable sound, notification alert, status bar and toolbar icon. Also allows the user to map different mouse buttons to open Yahoo Mail in different tabs, windows, etc.
GreaseMonkey An addon that adds allows the addition of user scripts to firefox. User scripts can add more functionality or change the behavior of a web page. The scripts can customize the look and behavior of individual websites or whole groups of websites. For example, user scripts can be used to download youtube videos, remove myspace advertisements, and add features to gmail. User scripts can be found at Note: GreaseMonkey does not do anything unless you install user scripts.
iMacros for Firefox A unique addon to automate Firefox. It relieves the repetition of checking on the same sites every day, remembering passwords and filling out web forms. You can even embed the imacro on your homepage, blog, company Intranet or any social bookmarking service. Web professionals can use the software for functional, performance and regression testing of web applications. Another use is to automate web scraping, for example the extraction of online stock quotes or web store prices. Macros can be recorded visually.
Firefox Showcase Provides a new way to manage your Firefox tabs and windows by showing them as thumbnails in a single window, tab or sidebar. Includes a find bar that will filter the thumbnails, and the capability to select the thumbnails in the same way you would select files in your system.
Cooliris Previews Gives you the power to browse and share Web links and rich media instantly. Just mouse over any link, and the Cooliris preview window immediately appears to show you the content. No more clicking back and forth or losing your search context. To send a link, just click.
All-in-One Sidebar If you like Opera’s sidebar but prefer to stick with Firefox, this add-on gives you the best of both worlds. Once installed, it gives you a panel at the left or right of the browser window which you can use to switch between each browser?s features. It lets you quickly switch between sidebar panels, view dialog windows such as downloads, extensions, and more in the sidebar, or view source or websites in the sidebar.
Answers Ever run across a word or acronym that you weren’t familiar with? Instead of rushing to a new tab to look it up in an online dictionary, Answers gives you the definition right on the page in a pop-up. It uses, Wikipedia,, and many others. Very handy for following an article or discussion that bandies about terms you?ve never heard of.
Xmarks A simple addon that keeps your bookmarks synchronized throughout multiple computers. These days, who has just one computer, anyway? Foxmarks works quietly in the background; the only thing you notice is that the bookmarks you keep are now consistent from your desktop machine to your laptop to your work machine and so on. Also copies your bookmarks to its home page, so you can also access them from a guest computer (such as your local espresso joint or library!). It also has the option of synchronizing your passwords between computers.
FoxyTunes A Firefox add-on which gives you the ability to integrate some of the most powerful media players around such as iTunes and Windows Media Player directly into your browser window. You are given the ability to control your media player of choice from Firefox’s status bar or toolbar section.
Firebug An essential tool for developers working on Web pages. It allows you to examine and tweak the HTML, CSS and JavaScript contained in a page, all on the fly. Firebug opens either as a panel at the bottom of the page you’re inspecting, or in a separate window.
Session Manager A handy utility to help you manage your Firefox tabs. If you’re a Web surfer who habitually visits the same sites every morning, all you need do is open the sites in separate tabs and/or windows, and then use Session Manager to save the session under a name of your choosing. After that, every morning start up Firefox and go to Tools > Session Manager, pick your session and voila, all the windows and tabs open up just as you saved them.
Download Statusbar Manage your Internet downloads from a tidy toolbar, without the download window getting in the way of your Web browsing. Despite its compact size, Download Statusbar packs in more useful features than the standard download window. The fully customizable interface auto-hides when not in use, allowing full control without interruption.
Scrapbook Collects web scraps of entire pages, snippets, images, media, embeds, etc. Also has a powerful notes feature that allows hand-entered data including javascript and HTML – so is a mini-development IDE. This is great for testing widgets and javascript code. There is also an “Edit before capture” mode that shows a toolbar for for interactive DOM object removal, entering of sticky annotation, remove selection and highlighting. The full power of this add-on is not well known by Firefox users.
Tab Mix Plus A Firefox add-on which greatly enhances the application’s tabbed browsing features. Included are dozens of options involving tab duplication, merging, focus, and much more. In addition to improving the browser’s tab capabilities, this extension also features its own robust session manager.
Reveal A Firefox extension that allows you to view your current tabs as thumbnails directly on your screen – as shown with my favorite websites above. So I thought that this might prove pretty useless to me considering that I?m already using tabbed browsing. Why would I need to have mini pictures of these and what purpose would they serve? What?s really great about this extension is the ease of use. Once installed, you just press F2 to bring up the interface. Not only is it that simple, but its pretty too. Your screenshot comes zooming in from the side of your screen and places itself in the middle of your screen with the current tab highlighted.
Sage Turns Firefox into an RSS feed aggregator that makes getting the latest news easy. Using the left sidebar, Sage displays your available feeds, lists your feed history, and then shows stories with summaries and images in the main window.
IE Tab Extremely useful for those sites that require Internet Explorer and for testing purposes, this add-on loads any Web page as IE would display it, in the Firefox browser. A simple button in the Firefox status bar quickly and easily switches sites to IE and back. You also can specify some sites to always open with IE Tab.
CookiePie Enables you to maintain different cookies storage in different tabs and windows. Very useful developers working on Web Software supporting multiple users or profiles can use CookiePie to simultaneusly test their software with each user without needing to open a different browser.
Domain Lookup Lets users do one click domain searches at their favorite domain registrar based on the selected text in their Firefox window.
Allpeers A free award-winning open-source application for sharing large files inside your browser. Thanks to AllPeers’ unique technology you can share all the videos, music, photos, and webpages you want with your friends – privately and securely. And by the way, AllPeers is available for XP, Vista, Macintosh OS-X, as well as Linux.
Adblock Plus An addon that blocks a wide variety of online advertisements which often take a long time to load and slow down browsing. You can choose from several massive filter lists of ads to block, as well as creating your own filters. You can even turn it off for specific sites which have good ads or who you want to support with ad revenue.
DownThemAll! A download manager and accelerator. It can increase download speeds, allow you to pause and resume downloads, and download some or all of the links and images contained in a webpage.
NoScript Enhances firefox’s built in security features by blocking java, javascript, and other excecutables from running without your knowledge or permission. You can allow specific domains to run scripts, or allow specific scripts to run once.

FEBE Short for Firefox Environment Backup Extension, this can save some or all of your settings to .xpi and .js files on your computer, allowing you to recover your setting in the event of massive failure. It can backup and restore a wide range of features, from extensions to history to preferences and more either individually or as a whole. This addon is also useful for porting your addons and preferences from one computer to another.

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