Chromium Developer Documentation

Google Chrome is built with open source code from Chromium.

Except as otherwise noted, the content of this page is licensed under a Creative Commons Attribution 2.5 license, and examples are licensed under the BSD License.


Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all Internet users to experience the web. This site contains design documents, architecture overviews, testing information, and more to help you learn to build and work with the Chromium source code.

Learn how to

Other important links


  • Getting Involved: learn how you can help the Chromium project
  • For Developers: design docs, how-tos, and other useful information for developers
  • For Testers: bug reporting guidelines, test plans, and other quality-related documentation
  • User Experience: the design philosophy behind many of Chromium's features
  • Contact: report a bug or a security issue, or get in touch with individual members of the team
  • Get the Code: get the source code.  To learn how to build it, refer to the For Developers page.