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 Slack 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 Slack for help.
Improve our contributor docs by creating a pull request or edit our user docs on MDN.
Answer questions others have on Slack and other 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, pbro, daisuke
Console: bgrins, nchevobbe
Debugger: jlast, dwalsh, loganfsmyth
DOM: honza
Font Editor: rcaliman, gl, pbro
Framework: Browser integration, toolbox, and test infrastructure: bgrins, ochameau, honza
Inspector: gl, pbro, jdescottes, rcaliman, mtigley, bwerth, mikeratcliffe
JSON Viewer: honza
Memory: gregtatum
Network Monitor: honza
Performance: gregtatum, julienw
Remote protocol and server infrastructure: ochameau, yulia
Responsive Design Mode: gl, bwerth, mtigley
Scratchpad: jdescottes
Style Editor: gl
Storage Inspector: mikeratcliffe
CSS & Themes: ladybenko
UX: victoria
WebIDE: ochameau, jdescottes

Firefox Developer Tools

Community & Documentation