Chrome DevTools is a set of web developer tools built directly into the GoogleChrome browser. DevTools can help you editpages on-the-fly and diagnose problems quickly, which ultimately helps you build betterwebsites, faster.

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Check out the video for live demonstrations of core DevTools workflows, including debugging CSS,prototyping CSS, debugging JavaScript, and analyzing load performance.

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Open DevTools

There are many ways to open DevTools, because different users want quick access to differentparts of the DevTools UI.

• When you want to work with the DOM or CSS, right-click an element on the page and select Inspectto jump into the Elements panel. Or press Command+Option+C (Mac) orControl+Shift+C (Windows, Linux, Chrome OS).
• When you want to see logged messages or run JavaScript, press Command+Option+J(Mac) or Control+Shift+J (Windows, Linux, Chrome OS) tojump straight into the Console panel.

See Open Chrome DevTools for more details and workflows.

Get started

If you're a more experienced web developer, here are the recommended starting points for learning howDevTools can improve your productivity:

Discover DevTools

The DevTools UI can be a little overwhelming.. there are so many tabs! But, if you take sometime to get familiar with each tab to understand what's possible, you may discover that DevToolscan seriously boost your productivity.

Device Mode

Simulate mobile devices.

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Elements panel

View and change the DOM and CSS.

Console panel

View messages and run JavaScript from the Console.

Sources panel

Debug JavaScript, persist changes made in DevTools across page reloads,save and run snippets of JavaScript, and save changes that you make in DevTools to disk.

Network panel

View and debug network activity.

Performance panel

Find ways to improve load and runtime performance.

Memory panel

Profile memory usage and track down leaks.

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Application panel

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

Security panel

Debug mixed content issues, certificate problems, and more.

Community

File bug reports and feature requests in Crbug, which is the engineering team's bug tracker.

If you want to alert us to a bug or feature request but don't have much time,you're welcome to send a tweet to @ChromeDevTools. We reply and sendannouncements from the account regularly.

For help with using DevTools, Stack Overflow is the best channel. Mac os x tiger iso file download.

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

DevTools also has a Slack channel, but the team doesn't monitor itconsistently.

Feedback

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