Firefox Developer Tools

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

Free • Open Source
Web Debugger
Code Editor

Mac
Windows
Linux

What is Firefox Developer Tools?

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

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Firefox Developer Tools Screenshots

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Firefox Developer Tools Features

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

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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

Guest

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

Positive comment• ago

• as an alternative to

Firebug

yphastos

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