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M2TS MKV
File conversion

Convert M2TS to MKV

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Verified by Adam B.· reviewed by FE Editorial ·updated Sep 4, 2026
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Is it possible to convert M2TS to MKV?
Yes - M2TS converts to MKV.

You can do it right here with our free converter - no sign-up, and your file is deleted right after.

The fastest path is a lossless remux using MKVToolNix or FFmpeg - video, audio, and subtitle streams are copied directly into the MKV container in seconds. No quality is lost and the output file size is nearly identical to the source. If you prefer not to install software, use the free converter on this page.

Also to MKV: USM · TP · MPEG4

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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Why convert M2TS to MKV?

MKV is supported by far more players and editors than M2TS, making it the natural archive format for Blu-ray rips. The .MKV container holds multiple audio languages, PGS bitmap subtitles, and chapter markers in a single file - everything M2TS carries on disc. Many devices and apps that struggle with M2TS open MKV without issues.

How to convert M2TS to MKV

MKVToolNix FREE

Add your .m2ts, select which tracks to keep, and click Start Multiplexing - all streams are copied losslessly with no re-encoding.

Freemake Video Converter FREE

A Windows GUI that converts .m2ts to .mkv in a few clicks; choose to keep original quality or adjust video settings.

MakeMKV FREE

Reads the BDMV folder and merges multi-clip .m2ts files via the .mpls playlist into one .mkv with correct chapter markers.

Command line - FFmpeg CLI

Run ffmpeg -i input.m2ts -c copy output.mkv to remux all tracks losslessly in seconds.

Programs that convert M2TS

Free Studio
Freemake Video Converter
HDConvertToX
Sothink Movie DVD Maker
SUPER
WinX Video Converter
Wondershare Video Converter for Mac
iVI - iTunes Video Importer

About these formats

.M2TS Blu-ray BDAV MPEG-2 Transport Stream (M2TS)

An M2TS file is the video format used on Blu-ray discs and AVCHD camcorders - an MPEG-2 Transport Stream (BDAV variant) holding H.264, VC-1, or MPEG-2 video with Dolby/DTS or PCM audio. On…

Open .M2TS details →
.MKV Matroska Video

An MKV file is a Matroska multimedia container that holds video, multiple audio tracks, subtitles and chapters in one file. Open it for free with VLC media player, or on Windows 11 with the…

Open .MKV details →

Quality & what to watch

  • A lossless remux copies the raw stream bytes unchanged - output quality and file size are virtually identical to the source.
  • Blu-ray PGS bitmap subtitles transfer intact into MKV and are supported by most modern players.
  • If your title spans several numbered .m2ts clips, use MakeMKV with the BDMV folder to join them in the correct order with chapter markers.

Frequently asked questions

Is there any quality loss when converting M2TS to MKV?
No, if you use a lossless remux tool such as MKVToolNix or FFmpeg with -c copy. The video and audio bytes are moved into the new container without decoding or re-encoding.
Will all audio tracks and subtitles be kept?
Yes. MKV supports unlimited audio and subtitle tracks. MKVToolNix transfers every track by default, and you can deselect any you do not need.
Why do I have several numbered .m2ts files instead of one?
Blu-ray splits a title into multiple clips joined by a .mpls playlist. Use MakeMKV with the BDMV folder to merge them into a single .mkv in the correct order.
Can I convert M2TS to MKV on macOS or Linux?
Yes. MKVToolNix, FFmpeg, and MakeMKV all have macOS and Linux builds and work the same way as on Windows.