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.

Opening the Chrome DevTools

  • Select More Tools > Developer Tools from the Chrome Menu.
  • Right-click on a page element and select Inspect
  • Use the keyboard shortcuts Ctrl+Shift+I (Windows) or Cmd+Opt+I (Mac)

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

Ask questions or give feedback about DevTools (or these docs) in any of the channels below.

Twitter

Mailing List

Stack Overflow

Slack

GitHub