MTS
MKV

Convert MTS to MKV Online

Convert MTS to MKV online. Start with free daily conversions, no install, no watermarks, and visible job status.

MTS to MKV Converter

Upload your MTS file to convert it to MKV format

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How to Convert MTS to MKV

Follow these simple steps

1

Step 1: Upload Your File

Upload your MTS file by dragging and dropping or clicking to browse

2

Step 2: Select Output Format

MKV is automatically selected as the output format

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Step 3: Start Conversion

Click the Convert button to start the conversion

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Step 4: Download Result

Download your converted MKV file when ready

Convert MTS to MKV - Complete Guide

Converting MTS to MKV stays in the video file family but changes the traits that decide size, quality, transparency, editability, or device support. MTS is a video format. AVCHD video. MKV is a flexible video container format often used for high-quality video, subtitles, and multi-track media. Below is what actually changes in a MTS→MKV conversion, what is preserved, and when MKV is the better choice than keeping MTS.

What changes when you convert MTS to MKV

  • The video is re-encoded into the MKV format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.

About the MTS format

MTS is a video format. AVCHD video.

  • Compression: lossy
  • Opens with: VLC, Premiere, FFmpeg

Where MTS is strong: AVCHD high-definition video from camcorders; high-quality H.264 capture with multichannel audio.

Typical MTS uses: AVCHD camcorder footage, HD home video, video editing source files.

About the MKV format

MKV (Matroska Video) is a flexible container format that can hold multiple video, audio, and subtitle tracks. Our converter extracts and transforms MKV content.

  • Full name: Matroska Video
  • Developer: Matroska.org
  • Compression: Various (H.264, H.265, VP9)
  • Opens with: VLC, Plex, MKVToolNix

Where MKV is strong: stores multiple audio, video, and subtitle tracks; flexible, high-quality container.

Typical MKV uses: high-quality video libraries, multi-track and subtitled video.

What MKV keeps

  • MKV adds: stores multiple audio, video, and subtitle tracks.

Things to watch out for

  • One MKV limitation to keep in mind: not natively supported by browsers or many devices.

When to convert MTS to MKV

  • Convert MTS to MKV for high-quality video libraries.
  • Convert MTS to MKV for multi-track and subtitled video.
  • Pick MKV when you need flexible, high-quality container.

MTS vs MKV — format comparison

A quick side-by-side of the structural differences between MTS and MKV, so you can confirm this is the right conversion for your file:

AttributeMTSMKV
TypeVideo fileVideo file
CompressionLossyFlexible (lossy or lossless)
Web-friendlyNoNo
Typical file sizeLargeLarge
Best forAVCHD camcorder footagehigh-quality video libraries

Privacy & Security

Files are handled for the conversion you request. Uploads and downloads use HTTPS/TLS, and temporary files are cleared after the processing and deletion window.

Add this MTS to MKV converter to your site

Put a working MTS to MKV converter on your own blog or website — free to embed. Both options below include a small link back to FreeFastConverter.

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MTS to MKV FAQ

Converting MTS to MKV preserves the content faithfully; output also depends on the source file and any settings you choose.
Upload your MTS file, confirm MKV as the output format, and click Convert. Job status is shown while the file is processed, then you can download the MKV result.
Yes. You can start with free daily conversions, with no signup required for your first jobs and no watermarks on the output. Accounts and paid plans are available for higher-volume work.
No. The MTS to MKV conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
MKV is the Matroska multimedia container. It can contain video, audio, subtitles, and chapters in a single file.
MP4 is more widely compatible with devices, TVs, and media players than MKV.
When converting to formats that support subtitles, they can be preserved or burned into the video.
Yes! Our converter lets you choose which audio track to include in the converted file.
Processing time depends on file size, format, and queue load. The page shows job status while conversion runs.
Yes. You can add multiple MTS files to a batch and process them together within the current file-size and credit limits.

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