ScrapBook

https://addons.mozilla.org/fr/firefox/addon/427

ScrapBook is a Firefox extension, which helps you to save Web pages and easily manage collections. Key features are lightness, speed, accuracy and multi-language support. Major features are:

  • Save Web page
  • Save snippet of Web page
  • Save Web site
  • Organize the collection in the same way as Bookmarks
  • Full text search and quick filtering search of the collection
  • Editing of the collected Web page
  • Text/HTML edit feature resembling Opera's Notes

Foxmarks Bookmark Synchronizer

https://addons.mozilla.org/fr/firefox/addon/2410

If you use Firefox on more than one computer, you'll want Foxmarks. Install Foxmarks on each computer, and it will work silently in the background to keep your bookmarks synchronized. As a bonus, log in to my.foxmarks.com from any computer anywhere to access your bookmarks.

Web Developer

https://addons.mozilla.org/fr/firefox/addon/60

Adds a menu and a toolbar with various web developer tools.

Firebug

https://addons.mozilla.org/fr/firefox/addon/1843

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

FireFTP

https://addons.mozilla.org/fr/firefox/addon/684

FireFTP est un client FTP pour Mozilla Firefox, il est libre et gratuit, sécurisé et compatible avec tous les systèmes d'exploitation. Il procure un accès facile et intuitif aux serveurs FTP.

Adblock plus

https://addons.mozilla.org/fr/firefox/addon/1865

Ever been annoyed by all those ads and banners on the internet that often take longer to download than everything else on the page? Install Adblock Plus now and get rid of them.

Adblock Filterset.G Updater

https://addons.mozilla.org/fr/firefox/addon/1136

This is a companion extension to Adblock or Adblock Plus and should be used in conjunction with it. This extension automatically downloads the latest version of Filterset.G every 4-7 days. Filterset.G is an excellent set of filters maintained by G...