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PFM Raw at a glance
PFM Raw
PFM persists from the era when HDR imaging, rendering research, and tone-mapping workflows needed straightforward file carriers for floating-point image data long before mainstream consumer HDR delivery formats matured.
K25 at a glance
K25
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | PFM Raw | K25 |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1998 | 2001 |
| Inventor | PBRT / Paul Debevec community | Kodak |
| Status | active | proprietary |
| 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 | Not supported | Supported |
| HDR support | Supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PFM Raw
- Your source file is already in PFM Raw.
- Preserve source expectations before exporting to K25.
- PFM Raw is commonly used in image workflows.
When to use K25
- Your target workflow expects K25.
- Improve delivery compatibility with K25.
- K25 is commonly used in image workflows.
FAQs
Why convert PFM Raw to K25?
Convert to K25 when preserving or restoring an older camera-original archive that depends on that raw format.
In current workflows it is mainly a legacy preservation target.
What changes when converting PFM Raw to K25?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to K25 adds camera raw data. Moving to K25 removes HDR content.
What should I review after converting PFM Raw to K25?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.