Smart MP3 Converter Lite is a mp3 converter app. It supports almost all input formats. You can converter video and music to mp3. You can extract audio from video. It supported audio editor. Supported more than 100 input formats: mpg, mpeg, mpeg 2, vob, voc, dat, mp4, m4v, ts, rm, rmvb, wmv, asf, mkv, avi, 3gp, 3g2, mp3, mpc, m4a, wav, flv, f4v, mov, h264/x264, 1080p/720p HD, avr etc Batch Conversion ? You can convert a lot of files at one time ? You can add a file or remove a file Update to ffmpeg 2.4 Support Retina