Ever been annoyed by all those ads and banners on the internet that often take longer to download than everything else on the page? Install Adblock Plus now and get rid of them.

The easy way to download Web videos from hundreds of YouTube-like sites. This works also for audio and picture galleries.

Download one link, selected links or all the links of a page together at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Winner of the "2006 PC World World Class Award", this tool makes Firefox the safest browser around.

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

Allows you to customize the way a webpage displays using small bits of JavaScript. ...

The first and only download manager/accelerator built inside Firefox!

PDF Download relieves the pain experienced when encountering PDF files on the Web. Whenever you click on a PDF file, PDF Download lets you know before trying to open it, and then offers you choices such as downloading, opening, or converting it straight to HTML.

PicLens instantly transforms your browser into a full-screen 3D experience for viewing images across the web. Our new interactive "3D Wall" lets you effortlessly drag, click, and zoom your way around a wall of pictures for an extraordinary viewing experience. The new search box lets you search the Web in full-screen using Google, Yahoo, SmugMug, Flickr, Photobucket, and DeviantArt. Just type a query and view all the results in the PicLens wall.

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Get international weather forecasts from AccuWeather.com, and display it in any toolbar or statusbar with this highly customizable and unobtrusive...

If you use Firefox on more than one computer, you'll want Foxmarks. Install Foxmarks on each computer, and it will work silently in the background to keep your bookmarks synchronized. You can also log in to my.foxmarks.com to manage your bookmarks from any computer.

Adds a menu and a toolbar with various web developer tools.

Performance and network tweaks for Firefox...

StumbleUpon discovers web sites based on your interests, learns what you like and brings you more.

FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.

Free slots from Megaupload for other countries else United States...

If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the solution you�ve been dreaming of! iMacros was designed to automate the most repetitious tasks on the web. If there�s an activity you have to do repeatedly, just record it in iMacros. The next time you need to do it, the entire macro will run at the click of a button! With iMacros, you can quickly and easily fill out web forms, remember passwords, download information from other sites, scrape the Web (get data from multiple sites), and more. You can keep the macros on your computer for your own use, or share them with others by embedding them on your homepage, blog, company Intranet or any social bookmarking service. The uses are limited only by your imagination! ***Whatever you do with Firefox, iMacros can automate it.***

Save embedded video files from video-hosting servers such as YouTube

Do you listen to Music while surfing the Web? FoxyTunes lets you control almost any media player and find lyrics, covers, videos, bios and much more with a click right from your browser.

Cooliris Previews gives you the power to browse and share Web links and rich media faster. Just mouse over any link, and the Cooliris preview window immediately appears to show you the content. To email it, just click.

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager...

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Download videos from Youtube, Google, Metacafe, iFilm, Dailymotion, Pornotube & all the rest of the popular online flash video sites.

Torbutton provides a button to easily enable or disable the browser's use of Tor. For more information, visit the Torbutton homepage: http://torbutton.torproject.org/dev/

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.

Clipmarks lets you clip and share pieces of web pages. Instead of having to bookmark entire pages, our Firefox add-on lets you "clip" the best parts (text, images and video).

Direct access to your most visited websites

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. An essential... Firefox3 Beta2 compatible version is available at http://www.thestasis.com.

Add effects when current tab is changed...

The Official Delicious Add-on seamlessly integrates your browser with del.icio.us, the leading social bookmarking service on the Web.

Displays a country flag in the status bar depicting the location of the current website's server, and provides quick access to detailed location and webserver information.

ScribeFire (previously Performancing for Firefox) is a full-featured blog editor that integrates with your browser and lets you easily post to your blog.

Firefox translation extension

Interclue tooltip windows display content previews, useful extra information and relevant next actions for almost any link on the web. A truly user-centric design, "Clueview" tooltips show you only the most relevant content from linked pages, and can provide embedded viewing for images, mp3s and YouTube videos.

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Download videos from Youtube, Google Video, Pornotube, Grinvi... and meny other sites with simply one click...

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Allows you to execute common commands (like page forward/backward, close tab, new tab) by mouse gestures drawn over the current webpage, without reaching for the toolbar or the keyboard...

Once installed, it's a snap to filter elements at their source-address...

Adds a menu and a toolbar button to switch the user agent of the browser.

All-in-One Sidebar (AiOS) is an award-winning sidebar control, inspired by Opera's. 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.

Customize the look of the application and of websites with Stylish, a user styles manager.

Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources...

This is the "classic" official extension for del.icio.us, with 'tag' and 'del.icio.us' buttons in the toolbar. For a more comprehensive experience try our new extension at https://addons.mozilla.orghttps://addons.mozilla.org/en-US/firefox/addon/3615 .

This is a companion extension to Adblock or Adblock Plus and should be used in conjunction with it. This extension automatically downloads the latest version of Filterset.G every 4-7 days. Filterset.G is an excellent set of filters maintained by G...

This sexy baby can transparently wrap ActiveX into the Plugins which supported by firefox. You can just link the media files(Wmplayer, Rmplayer, QtPlayer and FlashPlayer) as normally without security problems...

Keep an eye on your eBay trading wherever you are on the web when you install the eBay Companion for Firefox. It�s a free tool built with eBay users in mind that will help you get more out of your buying and selling.

A constantly improving RSS and Atom feed reader. It is fairly powerful, feature rich, well supported and has comprehensive online help.