FLAC(Free Lossless Audio Codec) is an audio format similar to MP3. Audio is compressed in FLAC without any loss in quality. FLAC is the fastest and most widely supported lossless audio codec.
FLAC supports tagging, cover art, and fast seeking. FLAC supports Windows, Linux, BSD, Solaris, OS X, IRIX, BeOS, OS/2, and Amiga. Recent FLAC release now supports all RIFF/AIFF metadata, including Broadcast Wave Format (BWF). Now so many applications support FLAC format.