In recent years, the relationship between patients and healthcare professionals, and more broadly between public health actors and citizens, has shifted from a paternalistic, top-down approach to one of increased patient involvement in decision-making. Primary and secondary cancer prevention involve both benefits and risks, underscoring the importance of informed decision-making aligned with each patient and citizen's unique values and preferences. Shared decision-making, supported by decision aids, offers patients and citizens clear and comprehensible information about their options, enabling informed choices. This article aims to compile and define the characteristics of tools developed or translated into French for this purpose.