Firebug Alternatives

    Firebug is described as 'integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page' and is one of the leading apps in the Development category. There are more than 25 alternatives to Firebug for a variety of platforms, including Mac, Windows, Linux, Firefox and Google Chrome. The best alternative is Firefox Developer Tools, which is both free and Open Source. Other great apps like Firebug are Google Chrome Developer Tools (Free, Open Source), HTTP Debugger (Paid), SplineTech Javascript Debugger (Paid) and Live HTTP Headers (Free).

    This page was last updated Sep 12, 2020

    1. Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.
      Firefox Developer Tools vs Firebug opinions
      Most users think Firefox Developer Tools is a great alternative to Firebug.
      yphastos Almost the same functionality as Firebug, with a lot of improvements.
      Positive comment over 4 years ago

      Directly integrated in Firefox, so it is faster. And guaranteed to stay updated as Firefox evolves.
      Positive comment almost 5 years ago

    2. The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome.
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      Most users think Google Chrome Developer Tools is a great alternative to Firebug.

    3. HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers
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    4. SplineTech JavaScript Debugger is the fastest independent standalone JavaScript Debugger that enables you to debug JavaScript for IE completely independently of any add-ons, plug-ins, Java or any other third-party proprietary tools.
    5. The goal of this project is to adds information about the HTTP headers in three ways: First by adding a 'Headers' tab in 'View Page Info' of a web page.

    6. HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages.
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    7. HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like HttpWatch or IEInspector to the Firefox browser.


      The project is no longer developed. Last version,, released in May 2014, is not compatible with Firefox, but the extension still works on XUL-based Firefox forks like Waterfox and Pale Moon

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    8. Displays the HTTP header. Edit it and send it.
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      • Windows
      • Firefox
      HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features.
      • FreeOpen Source
      • Self-Hosted
      • PHP
      Tracy: the addictive tool to ease debugging PHP code for cool developers. Friendly design, logging, profiler, advanced features like debugging AJAX calls or CLI support. You will love it.
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    Showing 10 of 25 alternatives