converter

also con·ver·tor (kən-vûrˈtər)

1. One that converts, especially:
   a. A furnace in which pig iron is converted into steel by the Bessemer process.
   b. A machine that converts electric current from one kind to another.
   c. An electronic device that converts one frequency of a radio signal to another.
   d. A device that converts data from one code to another.
2. One that is employed in converting raw products into finished products.