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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.
JXR at a glance
JXR
JPEG XR grew from Microsoft's HD Photo work and then moved through standards bodies, but it remained much more niche than formats such as JPEG, PNG, or later AVIF/WebP families.
Format comparison
| Feature | CRW | JXR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2009 |
| Inventor | Canon | Microsoft |
| Status | proprietary | active |
| 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 | Not 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 JXR.
- CRW is commonly used in image workflows.
When to use JXR
- Your target workflow expects JXR.
- Improve delivery compatibility with JXR.
- JXR is commonly used in image workflows.
FAQs
Why convert CRW to JXR?
Convert to JXR when the receiving environment explicitly expects JPEG XR or when recovering historical assets from that ecosystem.
For broader distribution, TIFF, PNG, AVIF, or WebP are usually easier choices.
What changes when converting CRW to JXR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to JXR removes camera raw data.
What should I review after converting CRW to JXR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.