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PNM Raw at a glance
PNM Raw
PNM survived because engineers kept needing a no-drama raster family for scripts, fixtures, codecs, and image-processing experiments where the format should not be the hard part.
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 | PNM Raw | FFF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1988 | 2002 |
| Inventor | Jef Poskanzer | Hasselblad |
| Status | active | 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 | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PNM Raw
- Your source file is already in PNM Raw.
- Preserve source expectations before exporting to FFF.
- PNM Raw 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 PNM Raw 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 PNM Raw to FFF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to FFF adds layer support. Moving to FFF adds camera raw data.
What should I review after converting PNM Raw to FFF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.