Firefox Extension for web developers/designers as well as casual users "As you glide the mouse over the page, you will see a red rectangle framing each element under the cursor."
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 ...".
integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
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.
visual programming environment written in JavaScript for the Mozilla Framework.Enables users to build programs graphically by connecting functional modules to fetch and direct the flow of data, play sound or video, add animation or interactivity, and disp