Convert MTS to AVI
MTS is great for HD camcorder footage, but AVI is the better choice for older Windows software, DVD players and legacy cameras. Convert MTS to AVI 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 AVI
- 1
Tap Choose files and select one or more MTS files (or drag them in).
- 2
Check that AVI 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 AVI downloads automatically. Converting several files? Grab them all as a ZIP.
MTS vs AVI
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 | AVI | |
|---|---|---|
| Full name | AVCHD Video | Audio Video Interleave |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | Sony & Panasonic | Microsoft |
| Introduced | 2006 | 1992 |
| 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 AVI
MTS: MTS/M2TS files come from Sony, Panasonic and Canon HD camcorders (AVCHD). They are high quality but hard to play on phones.
AVI: AVI is Microsoft's classic video format from the Windows 95 era. It is still used by older cameras, DVD players and Windows software.
Frequently asked questions
How do I convert MTS to AVI on my phone?
Will converting MTS to AVI reduce quality?
Is this MTS to AVI converter free?
Are my files uploaded to a server?
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