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RW2 at a glance
RW2
Panasonic raw support grew alongside Lumix cameras that often sat at the boundary between still-imaging and creator-oriented hybrid workflows.
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.
Format comparison
| Feature | RW2 | CRW |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2008 | 2000 |
| Inventor | Panasonic (Lumix) | Canon |
| 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 RW2
- Your source file is already in RW2.
- Preserve source expectations before exporting to CRW.
- RW2 is commonly used in image workflows.
When to use CRW
- Your target workflow expects CRW.
- Improve delivery compatibility with CRW.
- CRW is commonly used in image workflows.
FAQs
Why convert RW2 to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting RW2 to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting RW2 to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.