
AI assistance
Supercharge your development workflow with Gemini integrated directly into Chrome DevTools. Streamline debugging with AI assistance for styling, performance, network and sources.
Fix styling bugs
Styling issues can be difficult to debug. Get a detailed explanation of your element's styles and get help in fixing layout and styling bugs:
Can you center this element?
Analyze network requests
Request and response headers often contain important information not obvious at a glance. Use AI assistance to dig in:
Why does this request fail?
Understand source files
It's rare you wrote all the code on your website - not sure what a certain script is used for? AI assistance can help:
What is this file used for?
Investigate page performance
Poor core web vitals? Finding the root cause for a sluggish website can be difficult. AI assistance can investigate and propose solutions for you:
Help me optimize my LCP score

Get AI assistance wherever you are
Look for the Ask AI button to get help from Gemini with your current task.
Demos
Not sure how to start?
Fix aspect-ratio of an image
Make all teaser images always be 16:9
One of the images is not cropped the same way as the others?
- Open chrome.dev/cinemai/devtools/ page and open DevTools.
- Find and select the Learn more by watching section.
- Click AI assistance icon.
- Prompt:
Make all teaser images always be 16:9
. - Click
Apply the suggested change
and continue. - The button should be centered.
Fix an overflow issue
How can I make this element visible?
Element is not visible?
- Open chrome.dev/cinemai/devtools/ page and open DevTools.
- Find a scuba diver img element.
- Click AI assistance icon.
- Prompt:
How can I make this element visible without scrollbars?
. - Click
Apply the suggested change
and continue. - The diver should be visible on the screen.
Demistify headers
Are there any security headers present?
To learn more about security headers of a given resource...
- Open chrome.dev/cinemai/devtools/ page and open DevTools.
- In Network panel, select the
v4-chrome.dev.js
requests. - Click AI assistance icon.
- Prompt:
Are there any security headers present?
- The LLM will explain headers related to security on the resource.
Deep dives
Persistent AI chat history in Chrome 133-135
What's new in DevTools 130-132
Get started
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