Welcome! Firefox DevTools is a set of tools for inspecting and editing web code. Our team works closely with the community and is always happy to welcome new contributors.

Help us maintain an inclusive environment by following our code of conduct.

How to Contribute

Code & Design

Firefox DevTools is a web app written in HTML, CSS, and JavaScript.
- Read the contributor docs to get started.
- Check out our good first bugs to see what’s available.
Our UX repository has issues that need design ideas and critique.
Join our chat rooms to hang out and ask questions.

Give Feedback

On Twitter, we often ask for feedback on new designs and prototypes.
Use Bugzilla to file bugs and enhancement requests.
Help us foxfood new features by using pre-release builds:
- Firefox DevEdition (based on beta, recommended for most)
- Firefox Nightly (updated twice daily)

Write

We love to see blog posts, talks, and demos about DevTools! Message us on chat for help.
Improve our contributor docs by creating a pull request or edit our user docs on MDN.
Answer questions others have on various channels.

Stay Updated

About DevTools

Leadership

DevTools is divided into modules which are managed by team members with expertise in that part of the project.

about:debugging: jdescottes, ochameau, ladybenko, daisuke
Accessibility Inspector: yzen
Animation Inspector: gl, daisuke
Application Panel: ladybenko, jdescottes
Console: nchevobbe
Debugger: bomsy, nchevobbe
DOM: honza
Font Editor: rcaliman, gl
Framework: Browser integration, toolbox, and test infrastructure: ochameau, honza, jdescottes, nchevobbe
Inspector: gl, jdescottes, rcaliman, mtigley, bwerth
JSON Viewer: honza
Memory: gregtatum
Network Monitor: honza, bomsy
Performance: gregtatum, julienw
Remote protocol and server infrastructure: ochameau, jdescottes, nchevobbe
Responsive Design Mode: gl, bwerth, mtigley
Style Editor: gl
Storage Inspector: ladybenko
CSS & Themes: ladybenko
UX: victoria

Firefox Developer Tools

Community & Documentation