Free WAV to MP3 Converter - Version 1.70 Free WAV to MP3 Converter is an easy to use free program for converting WAVE files (WAV format) to MP3 format. The program can batch process an unlimited list of files, and convert them to MP3 format. The quality of the output can be set from 32kbps (low quality, small file) to 320kbps (high quality, larger file).Using this program is as easy as adding the files to be converted (click Add Files button), specifying output folder and output quality, and clicking Convert button.