What is mastering?
Mastering is the "final touch" process of music production. When the mixing and processing of all the individual instruments and tracks are done, we'd like to process the song as a whole. This includes adding processors such as limiters, compressors and equalizers to the exported song file. What we want to achieve, apart from better overall sound, is a decent volume level that is not too far from music industry standard.
Mastering in Soundtrap
Soundtrap automatically masters your project when you click "Save", so that it is instantly enhanced and ready for reaching the Billboard Hot 100. :)
However, at the moment we do not support any way to customize the mastering settings.