Convert WMV to MKV Files Online for Free.
Free online tool to convert wmv 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 WMV to MKV
Click inside the file drop area to upload your WMV 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 WMV files to other formats
RunConvert.com can convert your WMV files to these other formats:
Convert Your WMV files to other formats
Convert Files to WMV Format
RunConvert.com supports these converters to WMV format:
Convert Files to WMV Format
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Frequently Asked Questions
Here are some common questions and answers about wmv file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: How long does it take to convert a video?
A: Usually just a few seconds for short clips. Bigger files take longer, but our servers are fast. You’ll be done before you know it.
Q: What if the video plays fine on my phone but not after conversion?
A: Could be a codec issue—try switching to MP4 H.264 for max compatibility.
Q: Is it safe to use RunConvert on public Wi-Fi?
A: We use HTTPS encryption, so your files are secure—even if you're sipping a latte at the airport café.
Q: What’s the difference between MKV and MP4?
A: MKV is super flexible and supports subtitles and multiple audio tracks. MP4 is lighter and more universal. Think of MKV as the Swiss army knife, MP4 as the crowd-pleaser.
Q: Can I use RunConvert for wedding videos?
A: Of course—whether it’s for sharing, archiving, or surprising your spouse with a highlight reel, we’ve got you.
Q: Can I convert to GIF?
A: We don’t support GIF yet, but we’re considering it. For now, try using a dedicated GIF tool after conversion.
Q: Can I convert a video to black and white?
A: Not at the moment. We’re focused on format conversion, not visual effects—yet.
Q: Can I convert videos without creating an account?
A: You bet. No sign-ups, no friction. We want you converting in seconds, not setting up passwords.
Q: What’s the smallest file size I can convert?
A: Technically even a 1-second clip will work. There's no minimum—tiny files are totally welcome.
Q: What format should I use to upload to Instagram?
A: Instagram loves MP4 with H.264 video and AAC audio. Keeps things smooth and compatible without any weird hiccups.
What is WMV (Windows Media Video)?
WMV (Windows Media Video) is a video compression format developed by Microsoft. It is widely used for streaming video over the internet and is associated with the Windows Media framework.
WMV files are known for their efficient compression, making them suitable for online streaming and video sharing. However, this format may not be as universally supported on non-Windows platforms without the proper codecs.
How to open WMV?
WMV files can be opened with Windows Media Player, which is the default media player on Windows systems. VLC Media Player is another popular option that supports WMV files across multiple platforms including Windows, macOS, and Linux.
On macOS, VLC Media Player and Elmedia Player can be used to open WMV files without issues.
WMV is Developed by: Microsoft
WMV was Released on: 1999
Useful Links for WMV:
How to convert WMV?
To convert WMV files to more widely supported formats like MP4, AVI, or MKV, you can use our online converter. Simply upload your WMV file, select the desired output format, and initiate the conversion process.
Our conversion tool ensures high-quality output and compatibility across various devices, including mobile phones, tablets, and media players.
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.
What Our Users Say
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Saved me hours of work
I had to convert multiple PDFs to Word for editing. This tool made it so easy and preserved all the formatting perfectly. The batch processing feature is a game changer.
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Professional quality
As a graphic designer, I need reliable conversion tools. This site delivers professional quality every time. The image conversions maintain resolution and color accuracy.
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Fast and reliable
I've tried many conversion tools but this one is by far the fastest and most reliable. No watermarks, no quality loss, and the interface is so intuitive.
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