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Firebug is an add-on for Firefox that provides access to browser internals. It features live editing of HTML and CSS, a DOM viewer, and a JavaScript debugger. Web application security testers appreciate the ability to see what's happening behind the scenes of the browser. For downloads and more information, visit the Firebug homepage.

Popularity #89, new!
Rating ★★★★★ (4)
Latest release 2.0.12
Aug. 11, 2015
(6 years, 2 months ago)


no rating Chris

Greate firefox addon. worth to install and on all firefox browsers.

★★★★★ Feras Jobeir

useful for designers, developers and hackers, thanks

★★★★★ Duncan Alexander

Agreed Duck, it's a webpage troubleshooting must have. It's awesome having a pages source in the same browser as the page.

★★★★★ Duck

This is an awesome tool for finding errors in sites. I use it all the time for troubleshooting.

★★★★★ miniBill

Very useful, mostly for web developers though. Its real-time editing capabilities can come at handy on websites relying on the browser as a trusted client.

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