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PFM at a glance
PFM
These formats persist in engineering, compression research, and conversion-tool contexts where simple sample storage or adjunct technical representation is useful.
PXN at a glance
PXN
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 | PXN |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1995 | 1996 |
| Inventor | Paul Debevec | Logitech (Fotoman) |
| 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
- Your source file is already in PFM.
- Preserve source expectations before exporting to PXN.
- PFM is commonly used in image workflows.
When to use PXN
- Your target workflow expects PXN.
- Improve delivery compatibility with PXN.
- PXN is commonly used in image workflows.
FAQs
Why convert PFM to PXN?
Convert to PXN when maintaining compatibility with a legacy proprietary image archive or recovering source files from that ecosystem.
It is mostly used in controlled migration scenarios.
What changes when converting PFM to PXN?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PXN adds camera raw data. Moving to PXN removes HDR content.
What should I review after converting PFM to PXN?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.