| User review:
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You can use clever FFmpeg-GUI for container change.
3gp, asf, avi, flv, m2ts, mkv, mp4, mov, mpg, mxf, ogg, ts, vob, webm, wmv container supported with integrated codec check for container compatibility.
Freeware, portable, no installation, small.
You can find it here:
https://www.videohelp.com/software/clever-FFmpeg-GUI |