Developer tool for time travel debugging and performance monitoring in React applications.

Chrome DevTools extension for web accessibility development

A Chrome, Firefox & Opera devtools extension for debugging Google Analytics tracking code

FirePHP server library for sending PHP variables to the browser.

DevTools for network recording, editing and resending.

execute any javascript on any chromium tabs - cross-tab parallel execution

Easily detect React components source code from Chrome!

Open Source Svelte Developer Toolkit

Browser extension for debugging Formik state

Devtool for XState state machines

An Apollo GraphQL Query Schema Testing Tool

DevTool for konvajs

FirePHP for Browser Developer Tools (Web Extension)

DevTools extension that finds and highlights elements in the page

Chrome Developer Tools extension for ServiceNow

Chrome extension for debugging Mixpanel APIs from your web application

Chrome devtool extension for easy restyling of any webpage

Devtools panel for changing IndexedDB key values

This add-on lets you send remote debugging protocol requests to the debugging server, and displays the response.

Awesome tooling and resources in the Chrome DevTools & DevTools Protocol ecosystem. With repository stars⭐ and forks🍴