Convert MTS to MKV Files Online for Free.
Free online tool to convert mts to mkv files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
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Maximum file size is 10MB
How It Works
How to Convert MTS to MKV
Click inside the file drop area to upload your MTS file or drag & drop it.
Select MKV as the output format and click the 'Convert' button.
Download the converted MKV file instantly after conversion.
You can also send a link to the converted file via email. (Optional)
Convert Your MTS files to other formats
RunConvert.com can convert your MTS files to these other formats:
Convert Your MTS files to other formats
Convert Files to MTS Format
RunConvert.com supports these converters to MTS format:
Convert Files to MTS Format
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Frequently Asked Questions
Here are some common questions and answers about mts file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: Can I preview quality before converting the whole video?
A: Not yet, but that’s a feature we’re exploring. For now, try converting a short clip first.
Q: Does RunConvert work in all browsers?
A: Yep! Chrome, Firefox, Safari, Edge—we play nice with all the modern ones.
Q: Do I need an account to use RunConvert?
A: Nope—just upload and convert. Totally hassle-free, no logins required.
Q: Can I convert videos for WhatsApp?
A: Yep! Convert to MP4 and try to keep it under 16MB for direct sharing. Perfect for memes, clips, or birthday messages.
Q: Can I convert videos taken from Snapchat?
A: Absolutely—those vertical MP4s are perfect candidates for a quick format tweak.
Q: Will I lose audio when converting a video?
A: Nope. Unless you're converting to a silent format (which is rare), your audio stays intact.
Q: Can I convert 4K videos?
A: Absolutely. We support 4K, but keep in mind that higher resolutions take a bit longer to process.
Q: Will converting videos help with buffering issues?
A: Yes—smaller, more efficient formats mean smoother playback, especially on slow connections.
Q: Why does my video take longer to convert than expected?
A: Big files or complex formats can take a little longer. It's kind of like slow-cooking—it takes time, but it's worth it.
Q: Can I convert vertical to horizontal video?
A: You can rotate it afterward, but for now, we don’t automatically adjust orientation.
What is MTS (MPEG Transport Stream)?
MTS (MPEG Transport Stream) is a video format commonly used for high-definition video in AVCHD camcorders. The .mts extension is often seen on files recorded by devices like digital camcorders or Blu-ray Discs.
This format supports high-quality video and audio storage, but may require special software to play on certain devices.
How to open MTS?
MTS files can be opened with VLC Media Player or PotPlayer. For Windows, installing a codec pack may help open the file with Windows Media Player.
For macOS users, try VLC or Elmedia Player to ensure smooth playback.
MTS is Developed by: Sony, Panasonic, and others
MTS was Released on: 2006
Useful Links for MTS:
How to convert MTS?
You can convert MTS files using an online video converter. Upload your MTS file, select your preferred output format like MP4 or MKV, and begin the conversion.
Our converter offers high-speed processing and excellent quality output to ensure compatibility across various devices.
What is MKV (Matroska Video)?
MKV (Matroska Video) is an open-source container format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is designed to be flexible and is often used for high-definition video content.
MKV is a popular choice for storing HD movies, TV shows, and videos due to its ability to support almost any type of video and audio codec, as well as multiple audio tracks and subtitles within one file.
How to open MKV?
MKV files can be opened with several media players, including VLC Media Player, PotPlayer, and Media Player Classic (MPC-HC).
For macOS users, VLC and IINA are great options to play MKV files. You can also use the official Elmedia Player for MKV playback.
MKV is Developed by: Matroska Association
MKV was Released on: 2003
Useful Links for MKV:
How to convert MKV?
You can easily convert MKV files to other formats like MP4, AVI, or MOV using our online video converter. Simply upload the MKV file, select your desired output format, and start the conversion process.
Our tool ensures quick and high-quality conversion, making MKV files compatible with a variety of devices and platforms.
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