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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.
WEBP at a glance
WEBP
Google announced WebP in 2010 for faster image delivery on the web, and the format is now documented in RFC 9649.
Format comparison
| Feature | PMD | WEBP |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2010 |
| Inventor | Sony | |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use PMD
- Your source file is already in PMD.
- Preserve source expectations before exporting to WEBP.
- PMD is commonly used in video workflows.
When to use WEBP
- Your target workflow expects WEBP.
- Improve delivery compatibility with WEBP.
- WEBP is commonly used in image workflows.
FAQs
Why convert PMD to WEBP?
Convert to WebP when delivering images for the web or apps and you want strong compression with support for transparency or animation.
It is a practical target for responsive sites, ecommerce, editorial media, and interface assets.
What changes when converting PMD to WEBP?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to WEBP adds animation support. Moving to WEBP removes streaming delivery.
What should I review after converting PMD to WEBP?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.