Free Online WMV to MKV Converter

Extract audio from your WMV file using our fast and free WMV to MKV converter. Use our WMV ripping tool to separate out the audio track from your uploaded WMV, which can then be downloaded as an independent MKV file. You can also batch rip WMV files with our batch WMV to MKV converter, where you can upload as many as 20 files at a time.

Select File(s)

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your WMV file, once uploaded to our server, will be deleted 15 minutes after upload, so please download your converted WMV file before this time.

Click the button above and select the WMV video files you want to rip the audio from. Once selected, you can alter the bitrate of the generated MKV file by clicking button if you want to. The default settings will leave the audio quality unchanged.

How to Convert your WMV to MKV Online?

Here are two simple steps to convert your WMV to MKV using our fast and free WMV converter tool.

Upload your WMV file

Click the "Upload a WMV File" button, then select a WMV to upload. The maximum file size is 100MB.

Download your MKV

Click the download link to receive your MKV file.

Frequently Asked Questions

How can I convert my WMV file to MKV?

First, click the "Upload..." button and select your WMV file to upload. Your WMV file will be uploaded to our servers. When the WMV to MKV conversion has completed, you can download your MKV file right away.

How long does it take to convert my WMV to MKV?

We aim to process all WMV to MKV conversions as quickly as possible; this usually takes around 5 seconds; however, this can be longer for certain files, so please be patient.

How accurate is the WMV to MKV conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development, with new features being added every week.

File format information for WMV and MKV

Extension	WMV
Full Name	Windows Media Video
Type	Video
Mime Type	video/x-ms-wmv
Format	Binary

A WMV file is a video storage format that Microsoft developed for use with their Windows line of operating systems. The format is designed to allow high-definition video quality while maintaining a small file size by using some clever compression techniques.

Also known as Windows Media Video files, WMV files became somewhat of a standard format for video files due to the popularity of Microsoft's operating systems. With built-in support for WMV playback also appearing on other platforms.

WMV files, although still popular and supported by a wide range of video editing applications and video players, have largely been replaced by other, more capable formats, such as MP4.

Extension	MKV
Full Name	Matroska Multimedia Container
Type	Video
Mime Type	video/x-matroska
Format	Binary

An MKV file, or Matroska Video File, is an audio/video file format created to store multimedia data in a highly compressed format. The MKV format supports a wide variety of audio and video codecs and is a popular format for distributing video files.

The format itself is a container format, meaning it supports many different audio and video tracks, all using different codecs. Along with audio and video, other data, such as chapters, markers, sub-titles, and other useful data, can be stored within the file.

Support for editing MKV files is widespread, with most video editing applications able to open MKV files. Video playback software, however, can sometimes struggle to playback MKV files if they are not equipped with the correct codecs.

Information for converting from WMV to MKV

Our WMV and MKV will attempt to convert these video format files with little or no loss in quality. You can upload video files up to 100MB in size; however, with large WMV files, please allow time for converting to a MKV.