bit.ly preview Requires Restart
With thebit.lyPreview Plugin for Firefox, whenever you hover over abit.lyURL on any web page, we display a tooltip showing the Page Title, Long URL, and any Click Data we have about the page the URL links to. If you hover over another short URL,http:...
Allow switch textarea “word wrap” attribute from them context menu.
The Super Clock is a beautiful clock
Add "and the NSA" to the Facebook's Shared With tooltips (see screenshot).
about:kitchensink Requires Restart
TweakTube - YouTube Enhancer / Video Downloader Requires Restart
The Ultimate YouTube Enhancer! Instantly add many tweaks to YouTube including: Download Videos, Convert Videos to Mp3, Automatically Watch in HD, Change YouTube Style, Watch Multiple Videos, Loop Videos, and much more. A must have for YouTube users.
Lets you hide all the useless guff on the twitter website (who to follow, trends, promotions, etc).
FirePreview Requires Restart
Shows a small window with the preview of the link's website when you move your mouse over a link and press CTRL.
It's a simple edition of scroll to top
Easy-Read turns your web pages dark and help you read them for a longer period.
An extension that allows you to specify a custom URL to be shown when opening a new tab, **without changing the address bar content**.
New Tab page with animated background and the weather forecast. With this beautiful abstract animation you will be always glad to open a new tab. Also you can check the weather in your location with hourly and 4 day forecast.
Automatic window resizer Requires Restart
This Extension can automatically (or when manually called) fit the size of the firefox-window to the size needed to best display the current website or an object (flash, video, ...) on the page.
wnxd_kancolle for firefox
Adds shortcuts to Bookmark Toolbar
Highlights previous scroll position
Recent close tab button, all tabs list, recent close tabs list in one button. Plus extra features options.
AutoCopyAndOpen Requires Restart
This add-on automatically copies to the clipboard the selected text and searches for http addresses. If found someone, opening in a new tab, or if adresses is more than one then added to the context-menu
With this theme, capture the feel of Twitter, plus enjoy latest tweets in the news ticker, your full Twitter stream in sidebar and quick sharing of any web page you visit