Getting Set Up To Work On The Firefox Codebase

This page will help you get set up to build Firefox on your own machine.

Thank you for contributing to Firefox

• Contributing to Mozilla projects
  • What skills do I need?

Setting Up Your Machine

• Building Firefox On Windows
• Building Firefox On macOS
• Building Firefox On Linux
• Building Firefox 32-bit On Linux 64-bit

Getting Ready To Contribute

• How To Contribute Code To Firefox
  • Finding something to work on
    • Find a bug we’ve identified as a good fit for new contributors.
    • Fix that one bug
  • Fixing your bug
  • Getting your code reviewed
    • Following up and responding
  • Getting code into Firefox
  • Do it all again!
  • More information