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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.
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 | CRW | PXN |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 1996 |
| Inventor | Canon | Logitech (Fotoman) |
| Status | proprietary | 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 | 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 PXN.
- CRW 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 CRW 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 CRW to PXN?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting CRW to PXN?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.