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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.
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.
Format comparison
| Feature | CRW | RW2 |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2008 |
| Inventor | Canon | Panasonic (Lumix) |
| 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 RW2.
- CRW is commonly used in image workflows.
When to use RW2
- Your target workflow expects RW2.
- Improve delivery compatibility with RW2.
- RW2 is commonly used in image workflows.
FAQs
Why convert CRW to RW2?
Convert to RW2 when preserving Panasonic camera originals or maintaining a Lumix-based raw workflow.
It is useful for archive retention and non-destructive editing.
What changes when converting CRW to RW2?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting CRW to RW2?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.