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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.
RealVideo at a glance
RealVideo
RealNetworks released the first RealVideo codec in February 1997 as part of RealPlayer 5, pioneering internet video streaming when bandwidth was extremely limited and competing with Microsoft's Windows Media and Apple's QuickTime Streaming.
Format comparison
| Feature | MD | RealVideo |
|---|---|---|
| File type | Document | Video |
| Extensions |
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| MIME type |
|
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| Created year | 2004 | 1997 |
| Inventor | John Gruber and Aaron Swartz | RealNetworks |
| Status | active | legacy |
| Primary use cases |
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When to use each format
When to use MD
- Your source file is already in MD.
- Preserve source expectations before exporting to RealVideo.
- MD is commonly used in document workflows.
When to use RealVideo
- Your target workflow expects RealVideo.
- Improve delivery compatibility with RealVideo.
- RealVideo is commonly used in video workflows.
FAQs
Why convert MD to RealVideo?
Convert to or from RealVideo when recovering streaming-era web media, preserving early RealNetworks distributions, or migrating archived RM and RMVB collections into current containers such as MP4.
It is primarily a legacy-access format for old internet-video libraries rather than a target for new delivery.
What changes when converting MD to RealVideo?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MD to RealVideo?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.