Conversion of fsb files to mp3 file format

There is a tool called FSB Extractor with which you can explore and possibly export the audio files from FMOB audio banks, which might be what you are looking for and in sense represents fsb to mp3 conversion. Most sources claim that the .mp3 files are typically saved in the %TEMP%\FsbExtractor\ folder upon extraction unless another folder is specified in the program settings.

Open FSB file    Open MP3 file

Related software

FSB Extractor

A simple program for extracting FSB files

FSB files extractor

An extractor for FSB audio files