Free online M2TS to M2V converter

Programs that author DVDs, create MPEG-2 elementary streams, or accept video without a transport-stream wrapper may require M2V instead of M2TS. The conversion extracts the video stream and usually removes audio, subtitles, and other streams because M2V is a video-only format.

What the M2TS format is

M2TS is a Blu-ray BDAV/MPEG-2 Transport Stream container used by Blu-ray discs, AVCHD camcorders, and some HD recording devices. It can contain MPEG-2, H.264/AVC, or H.265/HEVC video together with AAC, AC-3, DTS, or LPCM audio, subtitles, metadata, and multiple program streams.

You commonly encounter .m2ts files after copying footage from an AVCHD camera or extracting an accessible Blu-ray title. The extension identifies the container, not a single video codec; inspect the stream codec before choosing stream copying or transcoding.

What the M2V format is

M2V is an MPEG-2 video elementary stream containing video without multiplexed audio. It is used by some DVD authoring applications, legacy MPEG-2 editing workflows, broadcast tools, and encoders that expect separate video and audio files.

Its main practical advantage is simple stream separation: an authoring program can receive video.m2v and a separate audio file such as audio.ac3. M2V does not provide a general-purpose container for audio, subtitles, chapters, or metadata.

How to convert M2TS to M2V

FFmpeg is the most reliable desktop option because it can select the video stream, copy compatible MPEG-2 video without re-encoding, or transcode H.264/HEVC video to MPEG-2 when necessary.

1. Install FFmpeg and open a terminal in the folder containing the source file.
2. Inspect the streams with ffprobe input.m2ts. Identify the first video stream and check whether its codec is mpeg2video.
3. If the source video is already MPEG-2, extract it without quality loss:
   ffmpeg -i input.m2ts -map 0:v:0 -c:v copy -f mpeg2video output.m2v
4. If the source video is H.264 or HEVC, transcode it to MPEG-2:
   ffmpeg -i input.m2ts -map 0:v:0 -c:v mpeg2video -qscale:v 2 -f mpeg2video output.m2v
5. Open the resulting output.m2v in the target authoring or editing application. Export the original audio separately if the workflow requires it; the commands above intentionally omit all audio streams.

For a specific DVD authoring specification, replace the quality-based setting with an appropriate bitrate and, if required, set the DVD frame size, frame rate, interlacing mode, and aspect ratio. For example, a separate DVD-oriented encode can use -target pal-dvd or -target ntsc-dvd, but those presets are appropriate only when the target is DVD video.

You can also use the free converter on 101convert.com without installing software: select the M2TS file, choose M2V as the output format, start the conversion, and download the resulting video-only file.

Quality and compatibility limitations

Stream copying is lossless, but it works only when the source video is already MPEG-2 and the resulting elementary stream meets the target application's requirements. H.264 or HEVC sources require MPEG-2 transcoding, which reduces quality and can substantially increase file size at comparable visual quality.

Because M2V contains no audio, a converted file may appear silent in a normal media player even when the original M2TS had sound. Some applications also require the audio and M2V streams to have matching duration, frame rate, interlacing, and time-base information.

Encrypted Blu-ray content cannot be converted merely by changing the extension or using FFmpeg; the source must first be legally made available as an unencrypted, readable file.