UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
This extension allows you to execute common commands using mouse gestures, rocker navigation, scroll wheel navigation and page...
Bypass compulsory web registration with the context menu via www.bugmenot.com.
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.
Useful tools for the nightly tester.
Image Search Options provides a set of highly customizable reverse image search context menu options.
If you are not worried about someone looking from behind your back and stealing your passwords, why take additional pain for typing **** password fields, where you dont know whether you typed your long password correctly or not
Permanently hide content from web pages using the Context Menu. Simply, click and "Remove it Permanently". Now includes previewing of items before removal, support for IFrame as well as lots of advanced features to make it easy for...
This extension can simplify the rule to just specify the URI and Content type and can enable/disable each rule separately.
What's more, it can customize the web pages by user scripts which is similar to Grease Monkey.