The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Play YouTubeâ„¢ Videos in Flash or HTML5 Player
Allows to run maintenance tasks on the Places database, the bookmarks and history component behind Firefox.
This Add-on allows you to download every track from Soundcloud and in addition it gives you recommendations! After installing this Add-on you will have a new Download button at every track.
Automatically replaces links to WebM files with embedded videos
Simply click the repeat button to make the video automatically repeat. Works both with the newest HTML5 Player(version 2) and the old Flash Player(version 1).
Displays a Google cached version of the web page.
Provide some mouse gesture on tabs and other stuff
A Tab Counter extension for the tab-addicted. Provides some stats too!
This addon allows you to look up any definitions for words in your own language.
Select a word in a webpage and right click mouse and choose DefineThisNow to view a pop up box with the Wiktionary definition. Wiktionary covers many languages.
This add-on adds JS Fiddle style code prototyping to Firefox DevTools.
displays bookmark toolbar icons on the Mac
Quick access to add-on functionality: activate / deactivate, options, details, home / review / donation pages, uninstall, restart.
Open a webpage by pressing a keyboard shortcut, e.g. CTRL-K for your search engine webpage.
permet de lancer le programme d'Ã©dition des formulaires Qualios
gophertool for Firefox inspired from Chrome gophertool extension
Search for the selected text in the venezuelan auctions site Mercado Libre . Instructions: select the text you want to search, right-click and choose 'MercadoLibre Venezuela Buscador'
Thumbnail Preview of Tabs on mouse-over
Sidebar automatically show and hide.
Converts the current page to a BibTeX entry