Simple convert 3GP files to MP3 files with this User friendly program. 3GP is a common mobile media format that isn’t as common in the PC world. If your having trouble playing 3gp files on your computer or laptop, this simple program will help you convert them to mp3 format which is a pc standard. You will find this program really easy to use with drag and drop capability. Simply drag your 3gp files onto the program white space and press convert, wait for it to convert then it will put it in the same directory or whichever directory you choose.