Use React Developer Tools to inspect React components, edit props and state, and identify performance problems. ... The easiest way to debug websites built with React is to install the React Developer Tools browser extension. It is available for several popular browsers: ... Now, if you visit a website built with React, you will see the Components and Profiler panels. For other browsers (for example, Safari), install the react-devtools npm package:

May 6, 2024 - If you use Chrome, visit the Chrome Webstore and search for "React", then select "React Developer Tools" and click the "Add to Chrome" button to install it. ... React DevTools is also available as a standalone electron app, an NPM package, and ...

Then select a React component in React DevTools. There is a search box at the top that helps you find one by name. As soon as you select it, it will be available as $r in the Chrome console, letting you inspect its props, state, and instance properties. The standalone shell can also be useful with React DOM (e.g.

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Step 1: To open React DevTools, first open Chrome DevTools (View > Developer > Developer Tools). On the same banner as Elements, Sources, Console, etc., there will be two new React tabs: Components and Profiler.

February 20, 2026 - React Native DevTools is based on the Chrome DevTools frontend. If you have a web development background, its features should be familiar. As a starting point, we recommend browsing the Chrome DevTools docs which contain full guides as well as video resources. The Console panel allows you to view and filter messages, evaluate JavaScript, inspect object properties, and more. ... If your app has a lot of logs, use the filter box or change the log levels that are shown.

January 11, 2023 - Once you add the extension, you will get 2 new tabs in DevTools called Components and Profiler, respectively. ... To use the full functionality of the extension, you need to be in development mode.

In the developer tools panel, you should see a new tab labeled "React" or "⚛️ Components" and "⚛️ Profiler" along with other tabs like "Elements," "Console," etc. Click on the "React" tab.

December 1, 2025 - You can use the example React app to see the Profiler in action. Open DevTools in the app and click the Profiler tab, then click the recording button to the far left of the tab.

May 19, 2024 - Why do so many React devs act like prop drilling is a sin, but using Context everywhere is totally fine?

November 10, 2019 - Once you have installed the React Developer Tools, you can open the regular browser devtools (in Chrome, it’s right-click in the page, then click Inspect) and you’ll find 2 new panels: Components and Profiler.

March 28, 2025 - Install babel-plugin-transform-react-jsx-source, add it to your .babelrc file. Then, restart your dev server to use this capability. You’ll notice a new option when you right-click a component in the component tree: Show component name> source. Interaction tracking is supported by React DevTools.

May 21, 2018 - The quickest way to open React Devtools is to right click your page and select inspect. On your browser’s inspection window, select the React tab, and you should be presented with a view of your app’s component hierarchy: If you’ve used Chrome or Firefox’s developer tools, this view ...

June 9, 2023 - Install globally with npm install -g react-devtools (no version pinning needed), add <script src="http://localhost:8097"></script> to your HTML, and connect via localhost · Works for Safari debugging, React Native apps (built-in DevTools since ...

Then select a React component in React DevTools. There is a search box at the top that helps you find one by name. As soon as you select it, it will be available as $r in the Chrome console, letting you inspect its props, state, and instance properties. The standalone shell can also be useful with React DOM (e.g.

August 28, 2020 - React Developer Tools gives you an interface for exploring the React component tree along with the current props, state, and context for individual components. React Developer Tools also lets you determine which components are re-rendering and can generate graphs to show how long individual components take to render. You can use this information to track down inefficient code or to optimize data-heavy components.