spacefoon.itch.io
EZ Game Audio Format Conversion is a downloadable tool for Windows from Fooney that performs unattended batch audio conversion. It converts between WAV, MP3, OGG, FLAC, AIFF, and M4A formats, supports loop tags for Ogg and FLAC files, and uses multi-threaded conversion. The tool operates offline and is available with a name-your-own-price option.