Convert WMV to MKV
Free, fast and secure — convert WMV to MKV right in your browser.
Convert WMV to MKV for wider compatibility
Converting WMV to MKV gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMV will not play nicely everywhere.
How to convert WMV to MKV
- 1 Drop your WMV file into the converter above.
- 2 It is converted to MKV automatically — no settings to fiddle with.
- 3 Download your new MKV file instantly.
WMV vs MKV
| Feature | WMV | MKV |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | Yes |
| MIME type | video/x-ms-wmv | video/x-matroska |
| Best for | Legacy Windows video — converted to MP4 for modern sharing. | Archiving high-quality video with multiple tracks — converted to MP4 for everyday playback. |
About the formats
Windows Media Video
WMV is Microsoft’s video format, once common on Windows for streaming and playback. It compresses well but is dated and poorly supported outside Windows.
Strengths
- Good compression for its era
- Plays natively on Windows
- Small files
Limitations
- Weak support on Mac, mobile and web
- Dated codec
- Often needs converting
Best for: Legacy Windows video — converted to MP4 for modern sharing.
Matroska video
MKV (Matroska) is a flexible open container that can bundle many video, audio and subtitle tracks in one file. It is popular for high-quality archives and media libraries.
Strengths
- Holds multiple audio/subtitle tracks
- Open and future-proof
- Great for high-quality storage
Limitations
- Not supported on many phones/browsers
- Often needs converting to play
- Larger than streaming formats
Best for: Archiving high-quality video with multiple tracks — converted to MP4 for everyday playback.