Convert MTS to MKV
MTS is great for HD camcorder footage, but MKV is the better choice for movies with multiple audio tracks and subtitles. Convert MTS to MKV in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert MTS to MKV
- 1
Tap Choose files and select one or more MTS files (or drag them in).
- 2
Check that MKV is selected. Use Advanced options for resolution, size or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your MKV downloads automatically. Converting several files? Grab them all as a ZIP.
MTS vs MKV
Both formats are lossy, so the video is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| MTS | MKV | |
|---|---|---|
| Full name | AVCHD Video | Matroska Video |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | Sony & Panasonic | Matroska.org |
| Introduced | 2006 | 2002 |
| Plays on iPhone | ✕ No | ✕ No |
| Plays on Android | ✕ No | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ◐ Partly / with an app | ◐ Partly / with an app |
About MTS and MKV
MTS: MTS/M2TS files come from Sony, Panasonic and Canon HD camcorders (AVCHD). They are high quality but hard to play on phones.
MKV: MKV is a flexible open container that can hold unlimited video, audio and subtitle tracks. It is popular for movies and anime but isn't supported by iPhone or most TVs out of the box.
Frequently asked questions
How do I convert MTS to MKV on my phone?
Will converting MTS to MKV reduce quality?
Is this MTS to MKV converter free?
Are my files uploaded to a server?
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