Firefox Extension, simple tool that allows you to highlight all instances (within a webpage) of a word, several words, or a phrase that you currently have selected. Right click anywhere on the page and choose "Clear Highlighting" to reset the page.
provides a very easy way to lookup (or translate) a word in a Web page or an email in an online dictionary such as thefreedictionary.com. Simply select the word you want to lookup. Then right click and select "Dictionary Search for ...".
Shows a sidebar with all bookmarks that contain a defined keyword (shortcuts). The sidebar can be viewed by clicking on View|Sidebar|Keywords. Double-clicking on a keyword will insert it into the URLBar for quick access.
scans web pages and tells you where media players are getting their data from, and displays it as a simple hyperlink: in most cases, you can then follow the simple download link to save the media file.