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RAF at a glance
RAF
Fujifilm's digital-camera identity tied raw capture not just to sensor data but also to a brand-specific color and workflow story, which gives RAF a recognizably different practical role from some rival raw families.
PNM at a glance
PNM
PBM, PGM, PPM, PNM, and later PAM come from the tool-centric tradition of keeping image interchange formats easy to parse, script, and transform.
Format comparison
| Feature | RAF | PNM |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 1988 |
| Inventor | Fujifilm | Jef Poskanzer / Netpbm lineage |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use RAF
- Your source file is already in RAF.
- Preserve source expectations before exporting to PNM.
- RAF is commonly used in image workflows.
When to use PNM
- Your target workflow expects PNM.
- Improve delivery compatibility with PNM.
- PNM is commonly used in image workflows.
FAQs
Why convert RAF to PNM?
Convert to PNM when you need a plain, easily processed raster format for scripts, research, or utility pipelines.
It is useful as an intermediate representation in technical imaging workflows.
What changes when converting RAF to PNM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PNM removes camera raw data.
What should I review after converting RAF to PNM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.