GCP Authuser Adjuster is a Chrome extension designed to enhance user experience when accessing the Google Cloud Platform (GCP) console. This tool automatically adjusts the `authuser` parameter, ensuring that users open the GCP console with the correct account each time. It eliminates the hassle of manually switching accounts, especially when accessing shared URLs, thereby improving efficiency for users managing multiple GCP projects.

The extension allows for seamless management of various GCP projects by enabling users to input specific project IDs and corresponding `authuser` values. Once configured, users can simply click on GCP console links, and the extension will automatically log them in with the correct account settings. This useful tool is free to use and significantly simplifies the process of navigating the GCP environment.