Switch Plus for Mac can convert audio files into many different formats. Just add the files you want to convert to the list, select the format you want to use, and then click the convert button. Mac MP3 Converter Features: * Automatically normalise mp3 while converting. * Access online database to add song information as you convert. * Import multiple file formats at the same time and convert to one output format. * Ability to play tracks prior to conversion. * Import video files and extract mp3 (avi, mov, mpeg) options. * MP3 encoder supports constant or variable bit rates from 8 to 320kbps with optional error correction and stereo modes. * WAV encoder supports sample rates between 6000 and 196000Hz in PCM as well as a number of other mp3 codecs. * Allows up to 32000 files to be converted in one batch. * Optimized CPU usage and efficient code allows for fastest conversion times. * Switch Sound File Converter integrates directly with other NCH Software sound software.