The seat sanitizer is well-suited for public transportation. When the commuter closes the passenger door, the seat automatically rotates and is sanitized, disinfected, and dried for the next passenger. This invention eliminates the requirement for manual cleaning between rides. This innovation not only guarantees cleanliness but also creates potential revenue streams for taxi and flying taxi owners through advertising displays on the sanitized, rotating passenger seat. With the invention of seat sanitizer, every city will be able to impress its tourists by offering a clean seat for public transportation.