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PMD at a glance
PMD
The .pmd extension appeared in Sony's prosumer and professional recording device output alongside other Sony-proprietary formats like MQV, serving as a companion metadata or media descriptor file.
MKV at a glance
MKV
Matroska developed a strong reputation in enthusiast and archiving communities before later being formalized through IETF standardization.
Format comparison
| Feature | PMD | MKV |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2002 |
| Inventor | Sony | Matroska |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Multitrack support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Supported |
When to use each format
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to MKV.
- PMD is commonly used in video workflows.
When to use MKV
- Your target workflow expects MKV.
- Improve delivery compatibility with MKV.
- MKV is commonly used in video workflows.
FAQs
Why convert PMD to MKV?
Convert to MKV when you need multiple tracks, subtitle support, chaptering, or less common codec combinations in a single container.
It is ideal for archival masters, media-library organisation, multilingual releases, and technical video handoff.
For mainstream web playback and easiest consumer sharing, MP4 is usually simpler.
What changes when converting PMD to MKV?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PMD to MKV?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.