My Favorite Add-ons
About this Collection
My favorite add-ons
130 Add-ons in this Collection
Adds an about:addons-memory page that details add-on memory usage
Lets the user direct the submission of a form to a new tab or window. [Bug #17754]
Control what gets sent as the HTTP Referer on a per-site basis.
Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.
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.
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
Add sub-menus to History Menu for previous days' history.
Suspends background old tabs automatically to save memory usage.
Markdown document viewer.
Allows to visualize formatted markdown documents in browser.
Install Browser Extensions straight from GitHub Repositories
Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.
Scriptish by Erik Vold, Nils Maier, others
The greatest user script engine on the Internet (a fork of Greasemonkey).
Developer Assistant by Ted Mielczarek, Gavin Sharp, others
A suite of tools for developers.