Firefox Developer Tools Alternatives

    Firefox Developer Tools is described as 'Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile' and is an app in the Development category. There are more than 10 alternatives to Firefox Developer Tools for a variety of platforms, including Mac, Windows, Linux, Online / Web-based and Firefox. The best alternative is Google Chrome Developer Tools, which is both free and Open Source. Other great apps like Firefox Developer Tools are Plunker (Free, Open Source), Coding Ground (Free), Try It Online (TIO) (Free, Open Source) and HTTP Debugger (Paid).

    This page was last updated Oct 24, 2020

    1. 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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    2. Plunker is an online community for creating, collaborating on and sharing your web development ideas.


    3. Compile and Execute your favorite programming languages online, click any of the following to proceed! Web Technologies, Text Formatting, Useful Utilities, Programming Languages. Vim, emacs modes are avaliable.
      • FreeOpen Source
      • Online
      • Self-Hosted
      TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
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    4. HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers
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    5. 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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    6. 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.

      Discontinued

      The project is no longer developed. Last version, 0.8.14.1, 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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      • 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.
    7. 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.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      Code Cola is a chrome extension to editor online pages' style visibility. It helps visual designer, interactive designer, web site operator and other peoples modify the online pages quickly and easily.
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    Showing 10 of 22 alternatives