EarCatch Ringtone Express allows you to add audio files over 50 formats at lightning speed, including MP3, WMA, WAV, AAC, FLAC, OGG, APE, AC3, AIFF, MP2, M4A, CDA, VOX, RA, RAM, TTA and many more. Any large audio files can be cut to a small piece to the most popular audio formats as MP3, OGG, WMA, WAV, etc.