The website www.bjcp.ch offers a tool to help you prepare for the BJCP exam (Beer Judge Certification Program). The current version allows users to compare different beer styles according to the 2021 BJCP guidelines. The application offers features such as selecting and comparing beer styles, filtering text and displaying graphs of key statistical values. The user interface is kept simple and offers keyboard shortcuts for efficient navigation. Overall, the site serves as a useful tool for budding beer sommeliers and beer lovers who want to deepen their knowledge of beer styles.