Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
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.
Use this extension to save things you see on the web into your Evernote account. It provides a toolbar button and context menu to add an article, selection, URL or an entire page.
Visual bookmarks for Firefox. (Works with all latest versions of Firefox)
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
Status bar widgets and progress indicators for Firefox 4+
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
Browse faster—Preview links and images without leaving your current page or tab. Just mouseover any link and a preview window appears to display the content.
Sync tabs and firefox bookmarks, send webpages, directions, numbers, text and images directly to your mobile devices.
Collections are groups of related add-ons that anyone can create and share.Explore Collections