FreeRIP is a CD ripper, this means that it can record digital audio tracks directly from audio CD to files on your hard drive (this process is known as "ripping"). You can save tracks as CD quality WAV files or encode them to Ogg Vorbis or MP3 compressed audio format.
FreeRIP let you convert audio files from a format to another. You can convert Wav files to MP3 or Ogg Vorbis, and back MP3 or Ogg Vorbis to Wav. You can also convert MP3 to Ogg, or Ogg to MP3, and even convert MP3 to MP3, Ogg to Ogg or Wav to Wav, changing encoding options.