Firebug for Windows

Name: Firebug
Rating: 4 (5 reviews)
Author: Firebug

Used Firebug for Windows?

The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.

Editors’ Review

Download.com staffFebruary 26, 2026

Firebug is a powerful Firefox extension offering real-time editing, debugging, and monitoring for CSS, HTML, JavaScript, and XML Http Requests.

Top Recommended Alternative

KaBoom Popup Blocker

Trial version

4.9

Pros
- Debug CSS, HTML, and JavaScript
- Monitor XML Http Requests
- Edit code in real time
- Profile web page performance
- Integrated into Firefox browser
Cons
No Cons available

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Full Specifications

GENERAL

Release: September 17, 2013

Latest update: February 26, 2026

Version: 1.12.1

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows Vista
Windows 10
Windows 2000
Windows XP
Windows 7

Additional Requirements: Firefox 17.0 and later

POPULARITY

Total Downloads: 97,059

Downloads Last Week: 1

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Last Updated

User Reviews

4/5

5 User Votes

Does not work with the latest firefox (3.0.15
TheComputerDoctorMarch 4, 2010
Pros
Yet to be determined. I have the latest firefox version and this is not compatible.
Cons
None yet. Can't tell until I get it installed. I would very much like to give it a shot. maybe the developers could update the xpi. Thanks!
Summary
To be determined once latest version is available.
Best tool for web developers and designers.
initialxyFebruary 18, 2009
Pros
Simply unchallenged list of features. It provides every development and debug tool a web developer can ever dream of. Too manly features to talk about in here.
Cons
Last time I checked, I noticed that when working on Linux (Xubuntu in my case), the inspector works slightly inconsistent. I wasn't able to select a section of the page with the inspector by pressing enter key.
Summary
Highly recommended tool for every web developer or designer. It will make your life so much easier.
Great program
December 27, 2008
Pros
Just have to click in the page and firebug let us see what the code is. Wat isn't relevant, has a stripe trough the text.
Cons
nothing yet.
Summary
Ideal voor website programmers.
thanhnh0206July 28, 2008
Pros
Cons
Summary
best useful for bug
malliakrjuna.kJanuary 7, 2008
Pros
best useful for bug
Cons
Summary

Developer’s Description

By Firebug

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.

Firebug for Windows

Editors’ Review

Top Recommended Alternative

KaBoom Popup Blocker

Pros

Cons