MTS Won't Open? Convert to MKV Instantly
Fast, instant MTS to MKV conversion. No signup required. Just drop your .mts file and get .mkv in seconds.
Batch Settings
Generation loss — quality may degrade
MTS uses lossy compression, and so does MKV. Converting means decoding and re-encoding — each cycle can permanently degrade quality. Convert from the original source file whenever possible.
Some metadata may not survive
Your MTS file may contain AVCHD metadata metadata. MKV has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
What compression artifacts to expect
MKV lossy compression can produce codec-dependent. At the high quality settings CocoConvert uses by default, these are usually invisible to the eye. Lower quality settings trade visual fidelity for smaller file sizes.
क्या आपके पास MTS फॉर्मेट में वीडियो हैं, शायद आपके कैमरे से रिकॉर्ड किए हुए या किसी दोस्त ने शेयर किए हुए, और अब आप उन्हें MKV में बदलना चाहते हैं? यह कोई मुश्किल काम नहीं! भारत में, जहाँ वीडियो शेयरिंग और स्टोरेज एक बड़ी बात है, MTS फाइलों को MKV में बदलना काफी फायदेमंद हो सकता है। MTS फाइलें अक्सर बड़ी होती हैं और हर डिवाइस पर आसानी से नहीं चलतीं, वहीं MKV एक ऐसा फॉर्मेट है जो वीडियो की गुणवत्ता बनाए रखते हुए भी उसे अधिक सुलभ और छोटा बनाता है। चाहे आप अपने परिवार के साथ कोई यात्रा का वीडियो साझा करना चाहते हों, या अपनी पुरानी यादों को सुरक्षित रखना चाहते हों, MKV में बदलने से आपको काफी सुविधा मिलेगी। हमारे इस पेज पर, हम आपको MTS से MKV में बदलने के सबसे आसान और प्रभावी तरीके बताएंगे, ताकि आपकी वीडियो फाइलें हर जगह आसानी से चल सकें।
- व्हाट्सएप पर परिवार को वीडियो भेजना
- लैपटॉप या स्मार्ट टीवी पर पुरानी शादी के वीडियो देखना
- शैक्षणिक प्रेजेंटेशन के लिए वीडियो कंप्रेस करना
भारत में, कई पुराने वीडियो कैमरे अभी भी MTS फॉर्मेट में रिकॉर्ड करते हैं, और चूंकि MKV कई ऑडियो और वीडियो ट्रैक को सपोर्ट करता है, यह क्षेत्रीय भाषाओं में बनी फिल्मों या मल्टी-ऑडियो डॉक्यूमेंटरी को सहेजने के लिए एक अच्छा विकल्प है।
About MTS to MKV Conversion
Dealing with a MTS file that won't open on your device? You're not alone — MTS compatibility issues are one of the most common reasons people search for a file converter. MTS (AVCHD) is the format from camcorders recording in high-definition AVCHD.
The fix is simple: convert your MTS to MKV. MKV (Matroska) is an open container supporting virtually any codec, multiple audio tracks, and subtitles. This conversion lets you improve file compatibility across devices, solving the problem in seconds rather than hours of troubleshooting.
Full Name: MTS uses AVCHD Video, while MKV uses Matroska Video. Compression: MTS uses Lossy, while MKV uses Lossy. Color Depth: MTS uses 8-bit, while MKV uses 8–10 bits (codec dependent). MTS uses lossy compression, and so does MKV. Converting means decoding and re-encoding — each cycle can permanently degrade quality. Convert from the original source file whenever possible.
CocoConvert processes your MTS file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you Your MTS file won't open on a recipient's device or in an application, or when you A website, service, or platform only accepts MKV uploads. Common misconception: ""I'll convert to MKV and then back to MTS — it'll be the same"" — in reality, each lossy conversion cycle permanently degrades quality. going mts → mkv → mts will produce a noticeably worse file than the original. always keep your source file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert MTS to MKV
- 1
Add your MTS file
Drag and drop your .mts file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick MKV output
Select .mkv as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The video engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .mkv file. For batch jobs, download all at once as a zip.
What Happens When You Convert MTS to MKV
Your MTS video is transcoded — video and audio streams are decoded and re-encoded into the MKV container. This is a lossy process that takes time proportional to the video duration.
Your MTS file is demuxed — video, audio, and subtitle streams are separated
The video stream is decoded frame-by-frame, then re-encoded with MKV-compatible codecs (typically H.264 for MP4)
The audio stream is decoded and re-encoded (or copied if the codec is compatible)
Subtitle and chapter data is preserved where the target supports it
Streams are muxed into the MKV container and the file is saved
MTS vs MKV — Detailed Comparison
| Feature | .MTS | .MKV |
|---|---|---|
| Full Name | AVCHD Video | Matroska Video |
| Compression | Lossy | Lossy |
| Color Depth | 8-bit | 8–10 bits (codec dependent) |
| HDR Support | No | Yes |
| Typical File Size | 100–200 MB per minute | 50–200 MB per minute |
| Platform Support | Limited | Very Wide |
| Browser Support | none | Limited |
| Year Created | 2006 | 2002 |
| Open Standard | No | Yes |
Should You Convert MTS to MKV?
When to Convert
- ✓Your MTS file won't open on a recipient's device or in an application
- ✓A website, service, or platform only accepts MKV uploads
When NOT to Convert
- ✗You're converting just because the file "seems old" — re-encoding lossy-to-lossy always degrades quality
Common Mistakes When Converting MTS to MKV
"I'll convert to MKV and then back to MTS — it'll be the same"
Each lossy conversion cycle permanently degrades quality. Going MTS → MKV → MTS will produce a noticeably worse file than the original. Always keep your source file.
Frequently Asked Questions
Why won't my MTS file open?
MTS files may not open if your device lacks the right codec or application. Converting to MKV — a more widely supported format — usually resolves this. MKV (Matroska) is an open container supporting virtually any codec, multiple audio tracks, and subtitles.
Is it safe to convert MTS to MKV online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting MTS to MKV?
MTS uses lossy compression, and so does MKV. Converting means decoding and re-encoding — each cycle can permanently degrade quality. Convert from the original source file whenever possible. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my MTS file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert MTS to MKV on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.