AIFF MP3 Converter Express is a powerful audio converter. It allows converting AIFF (Audio Interchange File Format) audio to MP3 easily. Key features: Batch-convert unlimited Video files in the fast and easy setup interface; Extractor Video files into custom file sizes for use with portable MP3 players; You can customize the size of output file and its Bitrate will be calculated automatically; Multithreading are supported and the more files you convert the faster; Easy to use - Just two clicks, everyone can become the master of AIFF MP3 Converter Express; Automatically shutdown the computer after conversion; Many settings are adjustable, such as audio size, bit rate, frame rate, so that the output MP3 audio will match most portable MP3 player.