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CRW at a glance
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
FFF at a glance
FFF
Hasselblad's workflow tooling treated raw capture and high-end processing as parts of one integrated medium-format imaging environment, which is why formats like FFF survive in specialist archives.
Format comparison
| Feature | CRW | FFF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2002 |
| Inventor | Canon | Hasselblad |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use CRW
- Your source file is already in CRW.
- Preserve source expectations before exporting to FFF.
- CRW is commonly used in image workflows.
When to use FFF
- Your target workflow expects FFF.
- Improve delivery compatibility with FFF.
- FFF is commonly used in image workflows.
FAQs
Why convert CRW to FFF?
Convert to FFF when maintaining compatibility with a specialized high-end imaging archive or recovering source material from that ecosystem.
It is mainly an archival and specialist workflow format.
What changes when converting CRW to FFF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to FFF adds layer support.
What should I review after converting CRW to FFF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.