Repositories list

• react-contextmenu

  Public

  firefox-devtools/react-contextmenu’s past year of commit activity
  This is a fork of the original react-contextmenu, to fix a few bugs that were impairing the Firefox Profiler.

  JavaScript

  •

  MIT License

  •378378 forks•1010 stars•00 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026

• profiler

  Public

  firefox-devtools/profiler’s past year of commit activity
  Firefox Profiler — Web app for Firefox performance analysis

  reactreduxjavascript+ 5

  reactreduxjavascriptfirefoxperformanceprofilerdevtoolsgecko-profiler

  TypeScript

  •

  Mozilla Public License 2.0

  •465465 forks•1.5k1.5k stars•766766 issues•7777 pull requests•Updated Apr 20, 2026Apr 20, 2026

• profiler-server

  Public

  firefox-devtools/profiler-server’s past year of commit activity
  Firefox Profiler server and data storage infrastructure

  TypeScript

  •

  Mozilla Public License 2.0

  •1414 forks•2121 stars•99 issues•22 pull requests•Updated Apr 20, 2026Apr 20, 2026

• playwright-bidi-dashboard

  Public

  firefox-devtools/playwright-bidi-dashboard’s past year of commit activity
  Is Playwright ready for BiDi yet?

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Apr 20, 2026Apr 20, 2026

• devtools-license-check

  Public
  JavaScript

  •22 forks•00 stars•11 issue•22 pull requests•Updated Apr 15, 2026Apr 15, 2026

• bidi-web-client

  Public

  firefox-devtools/bidi-web-client’s past year of commit activity
  Small prototype client for WebDriver bidi

  JavaScript

  •

  Other

  •11 fork•22 stars•22 issues•00 pull requests•Updated Feb 17, 2026Feb 17, 2026

• firefox-devtools.github.io

  Public

  firefox-devtools/firefox-devtools.github.io’s past year of commit activity
  Community & Documentation

  firefoxdevtoolswebdevelopment

  firefoxdevtoolswebdevelopment

  HTML

  •

  Mozilla Public License 2.0

  •1212 forks•1111 stars•22 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• bidi-har-export

  Public

  firefox-devtools/bidi-har-export’s past year of commit activity
  Experimental module to compile WebDriver BiDi network events as a HAR file

  JavaScript

  •33 forks•99 stars•44 issues•00 pull requests•Updated Jan 23, 2026Jan 23, 2026

• playwright

  Public

  firefox-devtools/playwright’s past year of commit activity
  Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

  TypeScript

  •

  Apache License 2.0

  •5.5k5.5k forks•00 stars•00 issues•00 pull requests•Updated Dec 22, 2025Dec 22, 2025

• firefox-profiler-for-chrome

  Public

  firefox-devtools/firefox-profiler-for-chrome’s past year of commit activity
  Firefox Profiler extension for Chromium-based browsers

  chrome-extensionperformanceweb-performance+ 3

  chrome-extensionperformanceweb-performanceprofilerdeveloper-toolsfirefox-profiler

  JavaScript

  •

  Mozilla Public License 2.0

  •11 fork•11 star•11 issue•11 pull request•Updated Nov 16, 2025Nov 16, 2025

• performance-landing-page

  Public
  HTML

  •11 fork•00 stars•00 issues•00 pull requests•Updated Nov 3, 2025Nov 3, 2025

• remote-settings-mdn-browser-compat-data

  Public
  Scripts to ingest MDN compat data in RemoteSettings

  JavaScript

  •33 forks•22 stars•00 issues•00 pull requests•Updated Jun 13, 2025Jun 13, 2025

• vscode-firefox-debug

  Public
  VS Code Debug Adapter for Firefox

  TypeScript

  •

  MIT License

  •7272 forks•440440 stars•8080 issues•55 pull requests•Updated Feb 28, 2025Feb 28, 2025

• bidi-webconsole-prototype

  Public
  CSS

  •

  Mozilla Public License 2.0

  •22 forks•1111 stars•66 issues•00 pull requests•Updated Aug 20, 2024Aug 20, 2024

• ux

  Public archive
  Firefox DevTools UX Community

  Mozilla Public License 2.0

  •2020 forks•103103 stars•7979 issues•00 pull requests•Updated Nov 17, 2023Nov 17, 2023

• debugger-examples

  Public
  Collection of good debugging examples

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •2323 forks•4343 stars•22 issues•6363 pull requests•Updated Oct 3, 2023Oct 3, 2023

• good-first-bugsify

  Public
  A WebExtension to help you mark Firefox Developer Tools bugs in Bugzilla as good first bugs.

  JavaScript

  •22 forks•22 stars•44 issues•00 pull requests•Updated Aug 28, 2023Aug 28, 2023

• performance-scenarios

  Public archive
  JavaScript

  •

  Mozilla Public License 2.0

  •11 fork•33 stars•00 issues•00 pull requests•Updated Mar 9, 2023Mar 9, 2023

• storage-assessment

  Public
  A test page to assess the status of storage panels

  HTML

  •

  Mozilla Public License 2.0

  •22 forks•22 stars•11 issue•00 pull requests•Updated Mar 9, 2023Mar 9, 2023

• performance-dashboard

  Public
  Dashboard to track performance of Firefox DevTools

  JavaScript

  •

  Mozilla Public License 2.0

  •44 forks•88 stars•00 issues•00 pull requests•Updated Mar 9, 2023Mar 9, 2023

• devtools-bug-finder

  Public
  Find easy and mentored devtools bugs

  JavaScript

  •

  Mozilla Public License 2.0

  •9393 forks•2525 stars•99 issues•11 pull request•Updated Mar 9, 2023Mar 9, 2023

• docs

  Public
  Documentation for Firefox Developer Tools

  HTML

  •

  Mozilla Public License 2.0

  •1515 forks•2828 stars•00 issues•22 pull requests•Updated Mar 9, 2023Mar 9, 2023

• debugger

  Public archive
  The faster and smarter Debugger for Firefox DevTools 🔥🦊🛠

  reactreduxjavascript+ 7

  reactreduxjavascriptdebuggerfirefoxchromenodedevtoolsmozillaflowtype

  747747 forks•4.6k4.6k stars•00 issues•00 pull requests•Updated Jan 11, 2023Jan 11, 2023

• devtools-examples

  Public
  Code examples that accompany the MDN Firefox Developer Tools documentation

  toolsdevtoolsdevtools-documentation+ 1

  toolsdevtoolsdevtools-documentationmdn-docs

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •1717 forks•2626 stars•00 issues•00 pull requests•Updated Sep 14, 2022Sep 14, 2022

• devtools-core

  Public archive
  :rocket: Packages for Firefox DevTools

  reactfirefoxdevtools+ 1

  reactfirefoxdevtoolsflowtype

  JavaScript

  •9595 forks•145145 stars•100100 issues•5555 pull requests•Updated Sep 21, 2021Sep 21, 2021

• Gecko-Profiler-Addon

  Public archive
  (deprecated) Addon to control the Gecko Built-in Profiler

  firefoxperformancefirefox-addon+ 1

  firefoxperformancefirefox-addonprofiler

  HTML

  •2121 forks•2323 stars•00 issues•00 pull requests•Updated Mar 27, 2020Mar 27, 2020

• demos

  Public archive
  INACTIVE - http://mzl.la/ghe-archive - Demos for new features in Firefox DevTools

  inactiveunmaintained

  inactiveunmaintained

  HTML

  •

  Mozilla Public License 2.0

  •66 forks•1010 stars•00 issues•00 pull requests•Updated Dec 18, 2019Dec 18, 2019

• rfcs

  Public archive
  RFCs for changes to DevTools

  feedbackdevtoolsrfc+ 1

  feedbackdevtoolsrfcrfc-process

  1111 forks•1515 stars•55 issues•00 pull requests•Updated Nov 15, 2019Nov 15, 2019

• webcompat-helper

  Public archive
  INACTIVE - http://mzl.la/ghe-archive

  inactiveunmaintained

  inactiveunmaintained

  JavaScript

  •

  Mozilla Public License 2.0

  •11 fork•44 stars•00 issues•00 pull requests•Updated Nov 7, 2019Nov 7, 2019

• debugger-docker

  Public archive
  Scripts for working with Docker images for debugger.html

  Makefile

  •00 forks•22 stars•11 issue•00 pull requests•Updated Mar 28, 2019Mar 28, 2019