Convert HEVC Files to MKV on Your Device
Repackage or encode HEVC as MKV in your browser for flexible media libraries and archives. Conversion stays on-device while a new MKV file is prepared.
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 modern high-efficiency delivery to a workflow built for multi-platform libraries
- Supply MKV when an editor, player, or delivery form will not accept HEVC
- Create a MKV copy from HEVC for flexible media libraries and archives
Workflow
- Select the HEVC source file
- Confirm the planned MKV filename
- Run the conversion with MKV selected
- Check the finished MKV before delivery
Processing notes
- The device processor performs decoding and encoding during the job during this HEVC-to-MKV job.
- High-resolution HEVC footage increases conversion time and memory use.
- Keep the source until the MKV result passes a full playback check.
Compatibility notes
- MKV serves flexible media libraries and archives, whereas HEVC commonly serves HEVC-capable hardware and modern services.
- For HEVC-to-MKV delivery, plan for rejection by some TVs and upload forms.
- After leaving HEVC, the receiving app must support the streams encoded inside MKV, not only its extension.
Troubleshooting
- HEVC to MKV taking too long? Reduce other processor activity and leave the page open until completion.
- MKV converted from HEVC not opening? Test a compatible player and inspect the output streams.
- A MKV extension alone may not be enough; verify the required internal codec.
HEVC to MKV converter FAQ
When does HEVC to MKV conversion make sense?
It is useful when HEVC media created for modern high-efficiency delivery must enter a MKV system designed for multi-platform libraries.
Where is the HEVC source processed?
The browser prepares MKV from HEVC on this device instead of sending the source to a remote conversion server.
How can I approve MKV converted from HEVC?
Test the MKV file in the receiving app and compare duration, picture, sound and timing with the HEVC source.