M3USync let you synchronize your M3U playlist files with your USB portable MP3 player. To work correctly, the files of your MP3 player must be accessible through the explorer (does not work with iPod). Features Music folder organization on your MP3 player can be different from your hard disk. The file synchronization is done under the specified target directory only, the other directories (My Pictures, My Videos, ...) on your MP3...

Screenshot of M3USync