Web Developer for Firefox features a toolbar packed with development tools every web developer needs.
For example, you can resize the browser window, check for broken images, validate pages via built-in links, use optimization tools, and much more. The add-on is under constant development with new features added regularly, helping you build more advanced websites with these simple yet effective tools.
This lightweight extension is a must-have, offering many features otherwise found only in expensive editing suites.
Web Developer for Firefox adds menus and a toolbar with a range of tools that help you develop websites directly in Firefox.