MP3 to FLAC Converter is an all-in-one FLAC (Free Lossless Audio Codec) Audio Converter. It can convert MP3 to FLAC audio formats. Key features: Batch-convert unlimited FLAC files in the fast and easy setup interface; Multithreading are supported and the more files you convert the faster; Easy to use – Just two clicks, everyone can become the master of FLAC Converter; Automatically shutdown the computer after conversion; Many settings are adjustable, such as audio size, bit rate.