QR Code Image Generator lets you Create a QR Code of the selected text or current URL. You can customize images with different colors and sizes. New to this add-on is a shortcut with CTRL-SHIFT-Q to quickly see the QR Code for the current URL. Also possible to create a QR Code from free text within Firefox.
DeeperWeb is a very interesting add-on for Firefox. Easily navigate through Google search results using a fast, simple and useful Tag-Cloud technique. Use the Topic-Mapping-Technologies for quick access to answers, news, videos, blogs, Wikipedia and more. Install now and boost your search.
Want to keep track of how much your Bitcoins are worth? Check out the Bitcoin Price Ticker add-on for Firefox. This add-on lets you track the current price of Bitcoin from multiple price sources and configuration options.
Found an image on the web that you’re curious about? With this extension, you can initiate a search on Google using pictures on the web. You can discover photos of places, learn more about art pieces, identify landmarks, and more.
Monitor Master adds functionality for multiple monitors in Firefox. Open, merge and position windows, tabs and links through a graphical control item.
Enhance your online internet privacy, protection and security with AVG Do Not Track! See which websites, applications and Ad Networks are tracking your information (using cookie technology) and choose whether or not to allow it.
The Google Docs Viewer lets you view publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.
Want to tweak YouTube a ‘bit? This add-on 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.
PageTweak is the ultimate webpage enhancer. Instantly add many tweaks to any webpage including: Ad block, flash block, video download, remove delays, tooltip translation, link checker, rounded corners, auto pagerize, and more. A must have for all web users.
A very simple extension for learning web page colors. Copy the RGB or Hex color code of any pixel displayed in your browser to the clipboard (in CSS/HTML format). Less than 40 lines of code. Similar in function to Internet Explorer’s color picker.