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MD at a glance
MD
Markdown was created in 2004 by John Gruber with Aaron Swartz, but the later CommonMark effort became important because the original syntax description was too ambiguous to keep implementations aligned.
PFM at a glance
PFM
These formats persist in engineering, compression research, and conversion-tool contexts where simple sample storage or adjunct technical representation is useful.
Format comparison
| Feature | MD | PFM |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
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| MIME type |
|
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| Created year | 2004 | 1995 |
| Inventor | John Gruber and Aaron Swartz | Paul Debevec |
| Status | active | active |
| Primary use cases |
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| Vector scaling | Not supported | Not supported |
When to use each format
When to use MD
- Your source file is already in MD.
- Preserve source expectations before exporting to PFM.
- MD is commonly used in document workflows.
When to use PFM
- Your target workflow expects PFM.
- Improve delivery compatibility with PFM.
- PFM is commonly used in image workflows.
FAQs
Why convert MD to PFM?
Convert to PFM when high-precision floating-point image data must survive for rendering, HDR processing, or technical analysis.
It is useful as a working format in graphics and research pipelines.
What changes when converting MD to PFM?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MD to PFM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.