This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Everyone says that Firefox is 100% open source. But what I want to know is where to get this code because I have a few tweaks I want to make.

  • 1 reply
  • 1 has this problem
  • 962 views
  • Last reply by philipp

more options

Where can I find the source code?

Where can I find the source code?

Chosen solution

hello kringga, for some documentation about how to work with the source code please refer to mozilla's resources for developers: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Source_Code

Read this answer in context 👍 0

All Replies (1)

more options

Chosen Solution

hello kringga, for some documentation about how to work with the source code please refer to mozilla's resources for developers: https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Source_Code