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

• UpdatedJan 8, 2025
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Chrome DevTools extension for web accessibility development

• UpdatedJun 9, 2021
• JavaScript

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

• UpdatedMay 4, 2022
• JavaScript

FirePHP server library for sending PHP variables to the browser.

• UpdatedOct 15, 2021
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DevTools for network recording, editing and resending.

• UpdatedJul 18, 2025
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Easily detect React components source code from Chrome!

• UpdatedMar 25, 2025
• TypeScript

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

• UpdatedFeb 15, 2024
• TypeScript

Open Source Svelte Developer Toolkit

• UpdatedOct 5, 2023
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Browser extension for debugging Formik state

• UpdatedMay 15, 2024
• TypeScript

Devtool for XState state machines

• UpdatedOct 21, 2023
• TypeScript

An Apollo GraphQL Query Schema Testing Tool

• UpdatedJul 7, 2022
• TypeScript

DevTool for konvajs

• UpdatedFeb 21, 2023
• JavaScript

FirePHP for Browser Developer Tools (Web Extension)

• UpdatedDec 11, 2022
• JavaScript

DevTools extension that finds and highlights elements in the page

• UpdatedApr 24, 2018
• JavaScript

Chrome Developer Tools extension for ServiceNow

• UpdatedOct 10, 2023
• JavaScript

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

• UpdatedNov 4, 2025

Chrome extension for debugging Mixpanel APIs from your web application

• UpdatedJul 4, 2023
• JavaScript

Chrome devtool extension for easy restyling of any webpage

• UpdatedSep 9, 2024
• JavaScript

Devtools panel for changing IndexedDB key values

• UpdatedDec 15, 2022
• Svelte

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

• UpdatedApr 5, 2019
• JavaScript