Duo video converter - convert video & 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.

[Duo Video Converter Premium: In-app Purchases Features]
• High-speed Video & Audio Converter
• No Restriction on Export Time and Duration
• Export at Top Bit rate and Resolution (4K Included)
• Nearly Zero Loss in Video & Audio Compression
Subscription plan: billed annually at $9.99/year
Lifetime license: one-time purchase for $15.99