Software Comparing the questionnaires of studies such as PHQ-9 and MLQ demands an extensive, meticulous, and time-consuming process. However, with the aid of modern technology like Harmony, the process of harmonisation becomes simpler and efficient. The software, with its advanced Natural Language Processing and AI, compares the items of PHQ-9 and MLQ, thereby giving a percentage match. The use of Harmony can optimise your research time as it can navigate through different languages and provides a database where you can drop your PDF formats of the instrument. Harmony is a revolutionary tool in the field of cross-questionnaire studies, and its use goes beyond simplifying the comparison of PHQ-9 vs MLQ. The software’s in-built large language model database serves as a comprehensive repository of questionnaires from different studies. By leveraging this, researchers can ensure their research’s viability and robustness by comparing and contrasting across multiple studies. Thus, the use of Harmony is not just a convenience, but it enhances the quality and holistic nature of the research. To effectively utilize Harmony and compare PHQ-9 vs MLQ, the first step would be to enter the Harmony’s web interface and upload your respective questionnaire. The next step would involve selecting the desired instruments from Harmony’s extensive database. Once the items have been matched, the software will provide a report of the percentage match. Furthermore, if your research involves multiple languages, Harmony comes as a boon. The software’s multilingual analysis capability ensures that no stone is left unturned as you seek to harmonise your questionnaires across different languages in PHQ-9 vs MLQ.