React Developer Tools

Browser Tools
https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi/

React Developer Tools is a browser extension that integrates directly into Chrome DevTools to provide specialized debugging capabilities for the React library. It adds two primary tabs: Components, which allows developers to inspect and edit the component tree, props, and state; and Profiler, which records performance data to identify rendering bottlenecks. The tool is open source and does not transmit user data remotely.

Pricing
Free
Features
Open Source

Checked on Sep 30, 2026.

Alternative resources

Responsively App

A developer tool that displays web pages across multiple devices simultaneously for responsive testing and layout verification.

FreeOpen Source
Browser Tools •  Browser & Device Testing
https://responsively.app/

Vue DevTools

Browser extension and standalone app for inspecting Vue.js component trees, states, and relationships.

FreeOpen Source
Browser Tools
https://devtools.vuejs.org/
W

Web Developer

A browser extension that adds a comprehensive toolbar of web development tools to Chrome, Edge, Firefox, and Opera.

FreeOpen Source
Browser Tools
https://chrispederick.com/work/web-developer/