Firebug is a program that can inspect HTML elements on a web page and modify elements on-the-fly.
The interface of this addon includes a console, HTML output, CSS, Script, DOM, Net and Cookies.
Apart from the main inspection tool, Firebug is definitely a very valuable tool for people building web sites and online services because it includes a whole suite of tools for debugging and checking elements of a page.
The Cookies tab provides very detailed information about the cookies which a web site is serving to its visitors while the HTML and CSS tabs provide a full, editable output of HTML and CSS code that is being served and used to built a page.
Overall, Firebug is a very useful tool for editing and debugging web pages in Firefox and has become really the gold standard among web developers.FireBug features and highlights:
FireBug is licensed as Freeware for Windows (32-bit and 64-bit) operating system / platform from firefox addons without restrictions. FireBug 2.0.13 is available to all software users as a free download (Freeware).
We have tested FireBug 2.0.13 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans. [Read more]