Convert MKV to WMV Online Free
MKV is a flexible open container that can hold multiple video, audio, and subtitle tracks. WMV is a Microsoft video format optimised for Windows playback and older streaming. FileConverter turns your MKV into WMV online in seconds - free, privacy-first, and with no software to install or account to create.
Convert MKV to WMV
WMV is already selected. Add your MKV file to start.
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Add a MKV file above to start the conversion.
This conversion hands a Matroska file to the Windows Media world: legacy corporate players, old PowerPoint embeds, and Windows-based signage that recognise WMV but not MKV. One audio track and the video stream make the trip.
What changes when you convert MKV to WMV
This re-encodes your footage from the MKV container into WMV, which can change the underlying codec and file size. At sensible settings quality is well preserved, but converting from a higher-quality MKV source always produces a better WMV result. Trim long clips first if you only need part of the footage.
About the MKV format
Matroska is popular for high-quality films and archives because it can bundle many audio languages, subtitle tracks, and chapters in one file. It is great for storage but not natively supported by many phones or web players. In everyday use, MKV is chosen for high-quality film archives and multi-language and multi-subtitle collections. It opens in VLC and most desktop media players.
About the WMV format
WMV offers decent compression and was common on Windows and in older PowerPoint embeds. It has poor support on Apple and mobile devices, so converting to MP4 improves compatibility. In everyday use, WMV is chosen for legacy Windows video and presentations and older streaming and download archives. It opens in Windows Media Player and VLC.
MKV vs WMV
MKV is best known for stores multiple audio, video, and subtitle tracks, while WMV stands out for compact files on Windows. Choosing between them comes down to where the file needs to go next.
Common use cases
People convert MKV to WMV for jobs such as legacy Windows video and presentations and older streaming and download archives. It is especially common when a MKV file arrives from one system but needs to work in another that standardises on WMV.
When to convert MKV to WMV
Reach for MKV to WMV when your destination expects WMV — for example legacy Windows video and presentations and older streaming and download archives. It is the right move when you receive a MKV file but the app, website, or person you are working with cannot use it. Bear in mind that poor support on macOS, iOS, and Android, so keep your original MKV if you might need it again.
How to convert MKV to WMV
- Upload your MKV file to the converter at the top of this page - WMV is already selected as the output.
- Check the size limit shown on this page, then drag and drop or browse for your file.
- Confirm WMV is still the target format, or pick a different one from the grid.
- Start the conversion and download your WMV file the moment it is ready.
Quality tips
Keep one master MKV archived and convert copies. If the WMV file is for web playback, test it in the target browser or player; if you only need the sound, use our Extract Audio tool instead of a full video conversion.
Platform compatibility
The MKV to WMV converter runs on Windows, macOS, Linux, Android, and iOS - anywhere with a modern browser, with no plugins or permissions required. Once exported, WMV opens in Windows Media Player and VLC.
File size limits
Video/audio up to 2GB
Troubleshooting
- If the file exceeds the limit shown below, compress images, trim video, or split archives before retrying.
- If conversion fails, confirm the extension matches the real format — renaming a file alone does not change its contents.
- Very large videos process faster if you trim them first with our Video Trim tool.
- If quality looks soft, try a less aggressive setting when the converter offers options.
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