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RST at a glance
RST
reStructuredText grew from the Docutils project and positioned itself as a more rigorously structured markup option than many looser lightweight markup systems.
SRF at a glance
SRF
Before ARW became the better-known Sony raw family, Sony's raw ecosystem already included older variants that modern tools still need to decode correctly.
Format comparison
| Feature | RST | SRF |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2001 | 2003 |
| Inventor | Docutils project / David Goodger lineage | Sony |
| Status | active | proprietary |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use RST
- Your source file is already in RST.
- Preserve source expectations before exporting to SRF.
- RST is commonly used in document workflows.
When to use SRF
- Your target workflow expects SRF.
- Improve delivery compatibility with SRF.
- SRF is commonly used in image workflows.
FAQs
Why convert RST to SRF?
Convert to SRF when preserving older Sony originals or keeping a legacy Sony raw library intact.
It is useful for archive recovery and compatibility workflows.
What changes when converting RST to SRF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting RST to SRF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.