Full Screen Image Viewer
View images of a page in full screen.
Wiktionary and Google Translate
In-line translation with Google Dictionary, and whole-page translation with Google Translate.
Bulk Player Mat for YouTube
Select and play all the YouTube videos on the web page one by one, and
Help to keep your username, password or account
from being stolen by a keylogger in your system.
Show Website Verifier
Show the identity verifier of the secure website that you are visiting on the URI location bar.
All About It
A no-frills tool for quick access to some of the most popular web services -- Google, Yahoo, Bing, Baidu, Facebook, YouTube, Twitter, Wikipedia, Amazon, eBay, Dictonary.com, Wiktionary, Google Translate, Alexa, Whois.domaintools.com, SiteAdvisor, Safe Web, WOT.
This extension auto-hides your Firefox browser's tab bar. It can also relocate the tab bar to the bottom of the browser window.
Boss Key and Buttons
You can press the F12 key or both the mouse buttons to hide all your browser windows.
Take A Break (versions: 1.1.x, 1.0.x)
By reminding you when to take a break during surfing, it tries to help you avoid excessive web browsing and keep healthy.
Secure Or Not
It shows whether the links on a webpage are https links or http.
Invert the input of a text field or a password field.
YouTube Play All
(obsolete) Select and play all the YouTube videos on the web page one by one, and
The following extensions are designed in a lightweight style that have nearly no impact to the performance of Firefox browser.
A lightweight extension that hides the original main menu.
Packed Menu 2 Nav
A lightweight extension that hides the original main
menu and move it to a button under the Navigation Toolbar.
Simple Boss Key
A lightweight extension that lets you use the F12 key to minimize the current browser window.