2 685 104 gebruikers
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The first and only download manager/accelerator built inside Firefox!
272 753 gebruikers
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
703 603 gebruikers
The Web Developer extension adds various web developer tools to the browser.
428 346 gebruikers
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
402 720 gebruikers
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
193 927 gebruikers
View HTTP headers of a page and while browsing.
190 581 gebruikers
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
105 660 gebruikers
Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.
Please follow the link ("View other versions") below To install version 2.0.1.
Collector's Note Doesn't handle TRACE method very well but, otherwise a great tool
103 791 gebruikers
Control what gets sent as the HTTP Referer on a per-site basis.
84 074 gebruikers
Show the IP address(es) of the current page in the status bar. It also allows querying custom information services by IP (right click) and hostname (left click), like whois, netcraft, etc. Additionally you can copy the IP address to the clipboard.
2 140 gebruikers
Extends the Location Bar with set of commands to (Shorten URL's,Copy URL,Search site,Go up, pNg, Tag pages easily ,Navigate through sequential URL's,View page cached version,Surf anonymously using online phproxy servers, Twitter)
3 000 gebruikers
Tab grouping, vertical tab tree, multi-rows, and various tweaks for power users.