Investigating the psychological state of individuals has always been a challenge for psychologists. The General Health Questionnaire 12 (GHQ 12) and the Infant Characteristics Questionnaire (ICQ) are two widely used tools for this purpose. However, comparing these two can be quite cumbersome. This process, known as harmonisation, can be significantly expedited with Harmony. The comparison of GHQ 12 vs ICQ becomes efficient, accurate, and less time-consuming using this innovative tool. Harmony employs natural language processing and generative AI models which makes it possible to compare and match questions from these two questionnaires. This function allows researchers to get a percentage match for each item between GHQ 12 vs ICQ, simplifying the harmonisation process. Harmony’s database includes these instruments, or you can conveniently drag and drop your own PDFs into the web interface. In the task of GHQ 12 vs ICQ, leveraging Harmony’s AI models is a critical step in unearthing meaningful psychological findings. The capacity to compare items in multiple languages further enhances Harmony’s appeal. Moreover, with Harmony, psychologists can possibly repeat the same longitudinal analysis across different studies, an essential step in attesting the results’ consistency. Therefore, when it comes to GHQ 12 vs ICQ, Harmony is an indispensable tool that can change the game for psychologists and social scientists.