Convert anything, at global scale.
200+ formats and automation APIs that feels instant.
CONVERT
From
To
Drop files or choose a source
Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.
Max 2GB per file · Drag & drop ready · Mixed file types welcome
Quarto Markdown at a glance
Quarto Markdown
QMD arrived with Quarto as a broader multi-language successor to R Markdown, extending the literate-programming and reproducible-publishing model beyond R-centric workflows into a more general scientific publishing system.
ASF at a glance
ASF
ASF is closely tied to the Windows Media era of desktop streaming and downloadable online media.
Format comparison
| Feature | Quarto Markdown | ASF |
|---|---|---|
| File type | Document | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2022 | 1996 |
| Inventor | Posit PBC (formerly RStudio) | Microsoft |
| Status | active | active |
| Primary use cases |
|
|
When to use each format
When to use Quarto Markdown
- Your source file is already in Quarto Markdown.
- Preserve source expectations before exporting to ASF.
- Quarto Markdown is commonly used in document workflows.
When to use ASF
- Your target workflow expects ASF.
- Improve delivery compatibility with ASF.
- ASF is commonly used in video workflows.
FAQs
Why convert Quarto Markdown to ASF?
Convert to ASF when you need compatibility with older Windows Media infrastructures, enterprise archives, or inherited streaming libraries that still rely on Microsoft's classic container family.
It is useful for preservation and controlled legacy playback.
For current browser and consumer delivery, MP4 or WebM are generally better choices.
What changes when converting Quarto Markdown to ASF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting Quarto Markdown to ASF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.