Overview Open Chrome DevTools Simulate mobile devices with Device Mode Performance insights: Get actionable insights on your website's performance Lighthouse: Optimize website speed Animations: Inspect and modify CSS animation effects Changes: Track your HTML, CSS, and JavaScript changes Coverage: Find unused JavaScript and CSS CSS Overview: Identify potential CSS improvements Issues: Find and fix problems Media: View and debug media players information Memory Inspector: Inspect JavaScript ArrayBuffer Network conditions: Override the user agent string Recorder: Record, replay and measure user flows Security: Understand security issues WebAuthn: Emulate authenticators
Overview Open Chrome DevTools Simulate mobile devices with Device Mode Performance insights: Get actionable insights on your website's performance Lighthouse: Optimize website speed Animations: Inspect and modify CSS animation effects Changes: Track your HTML, CSS, and JavaScript changes Coverage: Find unused JavaScript and CSS CSS Overview: Identify potential CSS improvements Issues: Find and fix problems Media: View and debug media players information Memory Inspector: Inspect JavaScript ArrayBuffer Network conditions: Override the user agent string Recorder: Record, replay and measure user flows Security: Understand security issues WebAuthn: Emulate authenticators

Open Chrome DevTools

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There are many ways to open Chrome DevTools, because different users want fast access to different parts of the DevTools UI.

Open the Elements panel to inspect the DOM or CSS

When you want to inspect a DOM node's styles or attributes, right-click the element and select Inspect.

The Inspect option

Figure 1. The Inspect option

Or press Command+Option+C (Mac) or Control+Shift+C (Windows, Linux, ChromeOS).

See Get Started With Viewing And Changing CSS.

Open the Console panel to view logged messages or run JavaScript

Press Command+Option+J (Mac) or Control+Shift+J (Windows, Linux, ChromeOS) to jump straight into the Console panel.

See Get Started With The Console.

Open the last panel you had open

Press Command+Option+I (Mac) or Control+Shift+I.

Open DevTools from Chrome's main menu

Click Customize and control Google Chrome Customize and control Google Chrome and then select More Tools > Developer Tools.

Opening DevTools from Chrome's main menu.

Figure 2. Opening DevTools from Chrome's main menu

Auto-open DevTools on every new tab

Open Chrome from the Command line and pass the --auto-open-devtools-for-tabs flag.

Mac:

/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --auto-open-devtools-for-tabs

This will only work if an instance of Chrome is not already running. From then on, every new tab will automatically open DevTools until the user fully quits Chrome.

Last updated: Improve article

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