PHQ-9 vs SF-12: A Comparative Analysis Harmonising the esteemed Patient Health Questionnaire (PHQ-9) and the Short Form Health Survey (12-item) (SF-12) is a task that formerly involved laborious manual work. With the innovative software “Harmony”, a solution dedicated to aiding psychologists, the process of comparing these two standard questionnaires becomes significantly more simplified. Harmony facilitates a seamless comparison between PHQ-9 and SF-12, delivering an in-depth assessment of the similarities and differences between items in these measures. Harmony utilises advanced technology, such as large language models, to compare the PHQ-9 and SF-12, and does so with the ability to handle multiple languages. This augments the capacities of researchers in conducting both within and cross-study analysis effectively. In the context of PHQ-9 vs SF-12, Harmony can conduct a meticulous evaluation – for example, measuring each item on the scales and providing a percentage match. This reduces subjectivity and optimises the cross-referencing process. In summary, comparing PHQ-9 vs SF-12 is a task made remarkably easier with the help of Harmony. This state-of-the-art software enhances the comparability of the two instruments by bringing innovation, precision, and efficiency to the harmonisation process. The seamless user interface allows for integration of various instruments and facilitates easy uploading of PDF formats – making the laborious task of harmonising PHQ-9 vs SF-12 straightforward and accurate.