Firefox DevTools Contributor Docs

This is the contributor documentation for Firefox Developer Tools. If you’re looking for help with using the tools, see the user docs. Note that this section only contains technical information specific to Firefox DevTools, make sure to first read the Firefox contributor documentation which explains how to contribute to Firefox in general (setting up the environment, submitting patches, etc.).

Automated tests

Files and directories

Tool Architectures

Frontend

Backend

Performance

Preferences

Recurring tasks