Convert WMV Files to MKV on Your Device
Convert WMV to MKV in your browser for multi-platform libraries. The source remains on your device throughout local processing.
Drop files here or browse (MAX 500 MB)
Max 500 MB per file
Preview (optional)
When your browser supports it, your video appears here. If preview does not load, you can still convert your file normally.
Preview is not available for this file
No worries — your video can still be converted. Set your file name and click Convert when you are ready.
Quick use cases
- Adapt Windows playback to a workflow built for multi-platform libraries
- Supply MKV when an editor, player, or delivery form will not accept WMV
- Create a MKV copy from WMV for flexible media libraries and archives
Workflow
- Select the WMV source file
- Name the MKV output before processing
- Start the MKV conversion
- Open the downloaded MKV in its intended workflow
Processing notes
- Conversion uses local memory and processor capacity until completion during this WMV-to-MKV job.
- Long WMV files consume more memory and take longer to decode.
- Keep the source until the MKV result passes a full playback check.
Compatibility notes
- MKV serves flexible media libraries and archives, whereas WMV commonly serves Windows Media players and older presentations.
- For WMV-to-MKV delivery, plan for rejection by some TVs and upload forms.
- After leaving WMV, the receiving app must support the streams encoded inside MKV, not only its extension.
Troubleshooting
- WMV to MKV taking too long? Free local memory and keep the conversion tab in the foreground.
- MKV converted from WMV not opening? Test a compatible player and inspect the output streams.
- If MKV is rejected, compare its codec and stream settings with the destination specification.
WMV to MKV converter FAQ
When does WMV to MKV conversion make sense?
It is useful when WMV media created for Windows playback must enter a MKV system designed for multi-platform libraries.
Where is the WMV source processed?
The browser prepares MKV from WMV on this device instead of sending the source to a remote conversion server.
How can I approve MKV converted from WMV?
Test the MKV file in the receiving app and compare duration, picture, sound and timing with the WMV source.