Therefore, we are going to talk about an application that focuses on allowing us to delete, extract, copy or cut parts of an MP3. In this way we will have the possibility to create our own custom audio files. Later we can use these in our own multimedia projects, to create music, or as a melody on the mobile, for example. Specifically we are going to talk about the treatment of the most representative files of this sector, the popular MP3 . These are used in a huge number of sectors and devices, as surely most of you already know. That is why the ability to carry out various editing work with them, will be greatly appreciated. More if, as is the case, we can carry out these works simply and without complications.