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ORA at a glance
ORA
OpenRaster emerged from the libre graphics community as a practical answer to the lack of a clean open interchange format for layered raster artwork.
NRW at a glance
NRW
NRW reflects the period when some advanced compact cameras offered raw capture and needed to participate in the same post-processing expectations as larger interchangeable-lens systems.
Format comparison
| Feature | ORA | NRW |
|---|---|---|
| File type | Image | Image |
| Extensions |
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| MIME type |
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| Created year | 2006 | 2008 |
| Inventor | Libre Graphics community | Nikon |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
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| Layer support | Supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use ORA
- Your source file is already in ORA.
- Preserve source expectations before exporting to NRW.
- ORA is commonly used in image workflows.
When to use NRW
- Your target workflow expects NRW.
- Improve delivery compatibility with NRW.
- NRW is commonly used in image workflows.
FAQs
Why convert ORA to NRW?
Convert to NRW when preserving Nikon compact-camera originals or maintaining compatibility with workflows built around that raw variant.
It is useful for archive retention and raw-photo adjustment.
What changes when converting ORA to NRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to NRW removes layer support. Moving to NRW adds camera raw data.
What should I review after converting ORA to NRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.