RFM Calc is an online tool that offers a straightforward way to conduct RFM (Recency, Frequency, Monetary) analysis on customer data. It is designed to help businesses segment their customers based on purchasing behavior, which can inform marketing strategies and improve customer engagement. Users can upload their transaction data in CSV format to generate RFM scores easily. The platform focuses on simplicity and usability, allowing businesses without specialized data expertise to leverage RFM analysis effectively.