The extension previously known as GooglePreview. Inserts preview images (thumbnails) and popularity ranks of web sites into the Google, Yahoo, Bing and DuckDuckGo search results pages.
Paint your firefox white. Make it look simpler, nicer.
For Beta users, please download the latest development version.
Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.
Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.
Autofill Forms enables you to fill out web forms with one click.
Visual bookmarks for Firefox. (Works with all latest versions of Firefox)
Watch videos anywhere in cinema mode without leaving the website you're on.
A very simple tabbed browsing extension that loads your homepage when you open a new tab. If you have multiple homepages, the first is chosen.