# React Developer Tools

> 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.

Canonical page: [https://chrome-stats.com/d/react-devtools](https://chrome-stats.com/d/react-devtools)

## Overview

- **ID:** `react-devtools`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** React
- **Category:** web-development
- **Daily users:** 165,775
- **Weekly downloads:** 1,167
- **Rating:** 4.59 / 5 (376 ratings)
- **Version:** 6.1.1
- **Last updated:** 2025-07-15
- **First published:** 2015-09-01
- **Size:** 1.59 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/react-devtools/)

## Description

React Developer Tools is a powerful Chrome extension designed for developers to inspect and debug React applications efficiently. It provides an intuitive interface to explore the React component tree, view component hierarchies, and examine props and state with ease. Simply open the browser's developer tools and navigate to the "⚛️ Components" or "⚛️ Profiler" tab to get detailed insights into your React app's structure and performance.

This extension requires permission to access the page's React tree but ensures complete privacy by not transmitting any data remotely. Being fully open source, developers can review or contribute to its source code at the official GitHub repository: https://github.com/facebook/react/tree/master/packages/react-devtools-extensions. It's an essential tool for React developers aiming to enhance debugging capabilities and application optimization.

## Rankings

- #106 — Overall
- #18 — Web Development
- #1 — developer tools
- #2 — tools
- #3 — developer
- #5 — tool

## Permissions and access

### Permissions

- `scripting`
- `storage`
- `tabs`
- `clipboardWrite`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension was updated more than 6 months ago. Older versions are more likely to be stable and safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users find the React Developer Tools extension powerful and well implemented, expressing excitement about its capabilities. However, multiple users raised concerns about its clipboard write permissions due to security implications. Additionally, some experienced significant RAM usage, particularly on Linux systems, indicating potential performance issues.

### Pros

- The extension is powerful and well implemented.
- Users are excited about its potential uses in development.

### Cons

- The extension requires clipboard write permission, raising security concerns among users.
- It causes high background RAM usage on some systems (notably Linux).

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Source: [Chrome-Stats](https://chrome-stats.com/d/react-devtools)