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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.
ORF at a glance
ORF
ORF belongs to the long Olympus digital-camera story, especially in the Four Thirds and Micro Four Thirds eras where portability and serious editing often coexisted.
Format comparison
| Feature | MD | ORF |
|---|---|---|
| File type | Document | Image |
| Extensions |
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| MIME type |
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| Created year | 2004 | 2003 |
| Inventor | John Gruber and Aaron Swartz | Olympus (now OM System) |
| Status | active | proprietary |
| 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 ORF.
- MD is commonly used in document workflows.
When to use ORF
- Your target workflow expects ORF.
- Improve delivery compatibility with ORF.
- ORF is commonly used in image workflows.
FAQs
Why convert MD to ORF?
Convert to ORF when preserving Olympus camera originals or maintaining compatibility with an Olympus raw-photo workflow.
It is useful for archive masters and non-destructive photographic editing.
What changes when converting MD to ORF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MD to ORF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.