This tool is used to convert Waveform Audio File Format (wav) to Free Lossless Audio Codec (flac).

Waveform Audio File Format is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs.

Free Lossless Audio Codec is an audio coding format for lossless compression of digital audio. Digital audio compressed by FLAC's algorithm can typically be reduced to 50–60% of its original size and decompressed to an identical copy of the original audio data.