Duo video converter is a simple, fast and free video converter. This free video converter software can convert any video/audio file formats MP4, MOV, M4V, MKV, AVI, WMV, FLV, MPEG, MTS, WEBM, M2TS, TS, TRP, WTV, MP3, FLAC, 3G2, WMA, AAC, FLC, M4A, WAV to any popular video/audio format. It also supports in different resolutions: 4K, HD1080p, HD720p, 480p.