|
|
Get InvolvedHelp build the last independent browser. Write code, fix bugs, make add-ons, and more. |
|
|
Speak UpFeedback makes us better. Tell us how we can improve the browser and Developer tools. |
Inspect and refine code to build pixel-perfect layouts. Learn more
Track CSS, JavaScript, security and network issues. Learn more
Powerful JavaScript debugger with support for your framework. Learn more
Monitor network requests that can slow or block your site. Learn more
Add, modify and remove cache, cookies, databases and session data. Learn more
Test sites on emulated devices in your browser. Learn more
Fine-tune animations, alignment and padding. Learn more
Unblock bottlenecks, streamline processes, optimize assets. Learn more
Find memory leaks and make your application zippy. Learn more
Debug your JavaScript code running in Firefox from VS Code. Learn more