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AZW3 at a glance
AZW3
Amazon's Kindle publishing guidance positioned Kindle Format 8 as a newer generation than classic MOBI, with broader layout and styling capabilities.
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.
Format comparison
| Feature | AZW3 | PMD |
|---|---|---|
| File type | Ebook | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2011 | 2004 |
| Inventor | Amazon | Sony |
| Status | active | legacy |
| Primary use cases |
|
|
When to use each format
When to use AZW3
- Your source file is already in AZW3.
- Preserve source expectations before exporting to PMD.
- AZW3 is commonly used in ebook workflows.
When to use PMD
- Your target workflow expects PMD.
- Improve delivery compatibility with PMD.
- PMD is commonly used in video workflows.
FAQs
Why convert AZW3 to PMD?
Convert to PMD when maintaining compatibility with a Sony-centered production workflow, preserving source media from a professional ingest system, or migrating archived broadcast assets that were originally wrapped for structured editorial exchange.
What changes when converting AZW3 to PMD?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting AZW3 to PMD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.