DevTools

Using Firefox Developer Tools

Have a question about how to use the features in Developer Tools, or looking for more details about one of the specific tools? See the Official Developer Tools Documentation. If this still doesn't answer your question, let us know. We have more information on our Getting Involved page if you need to report a bug or request a feature.

Follow Our Development

What is the best way to follow along with Firefox Developer Tools? Updates are posted by @FirefoxDevTools, we have blog posts on the Developer Tools Category on Mozilla Hacks, and you can check out our weekly meetings if you want more information.

Getting Involved

View the Getting Involved page for more information about talking with the team, filing bugs, or even working on your own first DevTools bug!

Weekly Meetings

We have a weekly meeting to discuss progress on our tools and other topics related to web tooling. View the Weekly Meeting Google Doc. Scroll down to see past notes.

Time and phone numbers:

• Tuesdays - 9:00am Pacific, 12:00pm Eastern, 5:00pm UTC
• 650-903-0800 or 650-215-1282 x92 Conf# 99459
• 1-800-707-2533 (pin 369) Conf# 99459 (US)

New Contributor Documentation

The list below highlights useful articles for new contributors.

• Getting Involved
• Mentored and Good First Bugs
• Hacking

Internal Technical Documentation

The list below includes technical articles about some of the internals of the DevTools.

Remote Debugging Protocol

• Remote Debugging Protocol
• Remote Debugging Protocol Stream Transport
• Protocol.js
• Manage client-server backward compatibility
• Actor Best Practices

Debugger API

• Debugger Architecture
• Debugger Client API
• Debugger API (used in DevTools server)

Tools

• Inspector Highlighter
• Web Audio Editor
• Memory Tools
• Performance Tools

Process

• DevTools Talos Tests (DAMP)
• Operation Instrument: Platform Tracing
• Gaming Tools, enhancements for game developers across all tools