Convert your music FLAC/WAV to smaller FLAC files lossless (up to 1-5% and more)! High compression ratio – better than your programs with default settings (-8). FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality. It uses program flac.exe from Xiph.Org Foundation. Batch processing of files (drag-n-drop). Reduce the size of your music/audio files in one click without quality loss! Program optimizes your file to new one with «_optimized» name ending (source file will remain intact). Output files have their timestamps/permissions set to match those of their inputs.