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Preview of React Developer Tools

React Developer Tools by React

React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.

4.6 (373 reviews)
186,228 Users
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Screenshots
Shows the DevTools UI with an example TODO List app.
About this extension
This extension requires permissions to access the page's React tree, but it does not transmit any data remotely. It is fully open source, and you can find its source code at https://github.com/facebook/react/tree/master/packages/react-devtools-extensions.
Rated 4.6 by 373 reviewers

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Permissions and dataLearn more

Required permissions:

  • Input data to the clipboard
  • Extend developer tools to access your data in open tabs
  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites
More information
Add-on Links
Version
6.1.1
Size
1.59 MB
Last updated
8 months ago (Feb 7, 2025)
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Release notes for 6.1.1
  • DevTools: refactor NativeStyleEditor, don't use custom cache implementation (hoxyq in #32298)
  • DevTools: fix host component filter option title (hoxyq in #32296)
  • chore[DevTools]: make clipboardWrite optional for chromium (hoxyq in #32262)