Debug, modify, and monitor CSS, XML Http Requests, HTML, and JavaScript.
Firebug is a Firefox extension that puts a wealth of Web development tools at your fingertips while you browse. You can edit, debug, profile and monitor CSS, HTML, XMLHttpRequests and JavaScript in any Web page in real time. View larger image
Operating systems:
Windows 7, Windows Vista, Windows XP, Windows 2000
Additional requirements:
Firefox 17.0 and later
Date:
03.04.2013
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