AVCHD Video
The AVCHD format recorded by many Sony and Panasonic camcorders.
- Type
- video
- Best for
- camcorder footage
No account · no upload · no watermark
Convert MTS to MKV. Completely free.
Drop your MTS and get an MKV back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
MTS to MKV converter
Matroska Video
An open container that can hold almost any codec plus multiple audio and subtitle tracks.
- Type
- video
- Best for
- archiving films with several tracks
What to expect
If the video and audio inside are already something MKV can hold, they're copied across with no quality loss, which takes seconds. Otherwise they're re-encoded, on your graphics hardware where possible and with FFmpeg in the tab where not.
How to convert MTS to MKV
- Drop your MTS on this page, or choose it from your device.
- MKV is already selected. Adjust quality, size or trim if you want to, and each option shows the size it will produce.
- Press Convert, watch it work, then download the result.
Questions
Is this MTS to MKV converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about MTS to MKV?
If the video and audio inside are already something MKV can hold, they're copied across with no quality loss, which takes seconds. Otherwise they're re-encoded, on your graphics hardware where possible and with FFmpeg in the tab where not.
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Ready to convert your MTS?
- Completely free
- Nothing uploaded
- No account
- No watermark