published: April 4th, 2007
Firebug is a very powerful JavaScript debugger for Firefox. I love it! It has tones of useful features like a dynamic console, DOM tree explorer, CSS viewer/editor, script explorer and my favorite, a network monitor where I can see all Flash, XMLHttpRequest, JS and Image requests.
Firebug is mainly used by web developers to find bugs in their code but it can also be used from security guys like me to find and explore various client-side and server-side vulnerabilities. [...]