How to convert MKV to WMV online
- 1
Drop your MKV file
Drag your Matroska Video file onto the box above, or click it to pick a file.
- 2
Wait a few seconds
Conversion starts on its own and runs on your device, not on a server.
- 3
Download your WMV
Click Download to save the Windows Media Video file.
MKV vs WMV: format overview
Matroska Video
Matroska.org · 2002
- Compression
- lossy
- Transparency
- No
- ✓ Supports virtually any codec combination
- ✓ Multiple audio tracks and subtitles per file
- ✗ Not natively supported by iOS or older devices
Windows Media Video
Microsoft · 2003
- Compression
- lossy
- Transparency
- No
- ✓ Good compression for Windows-native workflows
- ✓ DRM support for content protection
MKV magic bytes: 1A 45 DF A3
WMV magic bytes: 30 26 B2 75 8E 66 CF 11
Why convert MKV to WMV?
MKV is a Linux and open-source friendly container, but it creates real friction in Windows-centric corporate environments. Enterprise video systems, SharePoint document libraries, older Windows-based LMS platforms, and some hardware kiosk systems all expect WMV — a format they were configured for years ago and have never updated. Submitting an MKV to these systems typically results in an error or a broken player.
WMV was Microsoft's corporate video standard, and it remains deeply embedded in institutional Windows workflows. Windows Media Player handles it natively. SharePoint's built-in media player is optimized for WMV. Older corporate training platforms, legal discovery archives, and government-mandated submission systems often have WMV as their only accepted video format. For video that must enter these systems, WMV is a hard requirement.
Converting MKV to WMV re-encodes the H.264 or H.265 video to Windows Media Video and the audio to WMA inside a Windows container. This is a compatibility conversion, not a quality upgrade — WMV's codec is less efficient than H.264, so the resulting file may be similar in size or larger. The output will work natively in Windows Media Player and any Windows-based corporate system without requiring additional codecs. Use this conversion specifically when the destination system cannot accept MKV.
Quality & file size: MKV to WMV
Typical sizes: MKV 200–800 MB (1 minute 1080p); WMV 50–150 MB (1 minute 720p).
Frequently asked questions
What Windows software specifically requires WMV?
How does WMV compare to MKV in terms of video quality?
Your MKV file never leaves this tab — FormatDrop has no endpoint that receives file data. How it works