CDex is a free software for Digital Audio Extraction from Audio CD (a so called CD ripper) and audio format conversion for Microsoft Windows. It converts CDDA tracks from a CD to standard computer sound files, such as WAV, MP3, or Ogg Vorbis. Released under the terms of the GNU General Public License (GPL), CDex is free software. It is developed and maintained by Georgy Berdyshev. It was originally written by Albert L. Faber.