Chrome DevTools

The Chrome DevTools are a set of web authoring and debugging tools built into Google Chrome. Use the DevTools to iterate, debug, and profile your site.

Open DevTools

  • Select More Tools > Developer Tools from Chrome's Main Menu.
  • Right-click a page element and select Inspect.
  • Press Command+Option+I (Mac) or Control+Shift+I (Windows, Linux).

Discover DevTools

Device Mode

Device Mode Build fully responsive, mobile-first web experiences.

Elements panel

Elements Panel Iterate on the layout and design of your site by freely manipulating the DOM and CSS.

Console panel

Console Panel Log diagnostic information during development or interact with the JavaScript on the page.

Sources panel

Sources Panel Debug your JavaScript using breakpoints or connect your local files via Workspaces to use DevTools as a code editor.

Network panel

Network Panel

Optimize page load performance and debug request issues.

Performance panel (previously Timeline panel)

Timeline Panel

Improve the runtime performance of your page by recording and exploring the various events that happen during the lifecycle of a site.

Memory panel (previously Profiles panel)

Profiles Panel Profile memory usage and track down leaks.

Application panel (previously Resources panel)

Application Panel

Inspect all resources that are loaded, including IndexedDB or Web SQL databases, local and session storage, cookies, Application Cache, images, fonts, and stylesheets.

Security panel

Security Panel Debug mixed content issues, certificate problems, and more.

Get Involved

The best place to file bug reports and feature requests for Chrome DevTools is Crbug, which is the master tracker for the DevTools engineering team.

Crbug

For quick bug reports or feature requests, send a tweet to @ChromeDevTools. Ultimately, somebody converts your tweet to an issue on Crbug, so you can file the Crbug issue yourself if you want to ensure that it gets addressed by the DevTools engineering team.

Twitter

For help with using DevTools, Stack Overflow or the mailing list are the best channels.

To file bugs or feature requests on the DevTools docs, open a GitHub issue on the Web Fundamentals repository.

Docs Issues

DevTools also has a Slack channel, but it doesn't get much activity.

Slack