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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.
CR3 at a glance
CR3
CR3 marks Canon's move into a newer raw-file generation as mirrorless and later-camera workflows evolved beyond the long CR2 era.
Format comparison
| Feature | RST | CR3 |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2001 | 2018 |
| Inventor | Docutils project / David Goodger lineage | Canon |
| Status | active | proprietary |
| Primary use cases |
|
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| 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 CR3.
- RST is commonly used in document workflows.
When to use CR3
- Your target workflow expects CR3.
- Improve delivery compatibility with CR3.
- CR3 is commonly used in image workflows.
FAQs
Why convert RST to CR3?
Convert to CR3 when preserving current Canon camera originals or exchanging material with workflows built around Canon's recent raw ecosystem.
It is appropriate for archive masters and non-destructive photographic editing.
What changes when converting RST to CR3?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting RST to CR3?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.