My Favorite Add-ons
About this Collection
My favorite add-ons
124 Add-ons in this Collection
Feature rich XPath generator, editor, inspector and simple extraction tool...
Open in Browser by Rob W, Sylvain Pasche, others
Offers the possibility to display documents in the browser window.
Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.
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.
Lets the user direct the submission of a form to a new tab or window. [Bug #17754]
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.
Adds an about:addons-memory page that details add-on memory usage
Scriptish by Erik Vold, Nils Maier, others
The greatest user script engine on the Internet (a fork of Greasemonkey).
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.
Markdown document viewer.
Allows to visualize formatted markdown documents in browser.
Bring back your personal and powerful Firefox Button!
Suspends background old tabs automatically to save memory usage.