GMarks helps you sync & manage your bookmarks with Google Bookmarks...
Display thumbnails on new browser tab with full control on their layout. You can also use it as a home page.
Displays Server Type, Headers, IP Address, Location Flag, and links to Whois Reports. Shows links to check server status and cache when page fails to load.
Make your photos smaller, so they don't take forever to email or send to websites.
Adds right-click context menu item for opening images in new...
Show some useful system information on the addon bar of firefox 4, such as the memory usage of system & firefox itself and network speed.
Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.
Unique "speed dial" add-on for Firefox that gives you a fast way to to open your favorite sites using keyboard shortcuts. Ctrl + Space invokes the 'Launcher' then a single letter key press opens a specific site. E.g: open Facebook by Ctrl + Space, F
EmailTheWeb allows you to easily email the exact web page you are viewing to anyone you want. EmailTheWeb works with all web pages, even if it's password protected, dynamically generated, or has framesets. The subject of the email is set to the title...
Locate highlighted address on Google map:
simply highlight the address, right click with mouse, select 'Locate on Google Map' in popup menu and your place will be shown on Google map.
Increase your pageviews and improve your blog posts with related posts, images and links!
ScribeFire Classic is a blog editor that integrates with Firefox and lets you easily post to your blog.
ScribeFire Classic is no longer supported; you should install ScribeFire Next: https://addons.mozilla.org/en-US/firefox/addon/scribefire-next