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Firefox Developer Tools

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

  • Mac
  • Windows
  • Linux

Firefox Developer Tools Screenshots

 Suggest and vote on features

Firefox Developer Tools Features

  1.  Syntax HighlightingFirefox Developer Tools supports syntax highlighting for various programming and markup languages.

Firefox Developer Tools information

  • Developed byMozilla
  • LicensingOpen Source and Free product.
  • Alternatives18 alternatives listed

Supported Languages

  • English

Our users have written 0 comments and reviews about Firefox Developer Tools, and it has gotten 38 likes

Firefox Developer Tools was added to AlternativeTo by Danilo_Venom on and this page was last updated . Firefox Developer Tools is sometimes referred to as Firefox DevTools, DevTools.

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Said about Firefox Developer Tools as an alternative


Directly integrated in Firefox, so it is faster. And guaranteed to stay updated as Firefox evolves.

Positive comment ago
as an alternative to  

Almost the same functionality as Firebug, with a lot of improvements.

Positive comment ago
as an alternative to  


  • Developer Tools
  • Firefox Extension
  • CSS / Stylesheets
  • Javascript
  • Code Editor
  • Web Development


Development • Web Browsers

List containing Firefox Developer Tools

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