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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.
JPS at a glance
JPS
JPS belongs to the period when consumer 3D displays, cameras, and media players experimented with stereo-photo conventions built on ordinary JPEG assets instead of inventing entirely new everyday imaging stacks.
Format comparison
| Feature | CRW | JPS |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2000 |
| Inventor | Canon | JPEG Stereoscopic community |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Vector scaling | Not supported | Supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use CRW
- Your source file is already in CRW.
- Preserve source expectations before exporting to JPS.
- CRW is commonly used in image workflows.
When to use JPS
- Your target workflow expects JPS.
- Improve delivery compatibility with JPS.
- JPS is commonly used in image workflows.
FAQs
Why convert CRW to JPS?
Convert to JPS when preserving stereoscopic photo pairs, preparing side-by-side 3D images for compatible viewers, or maintaining archives from cameras and displays that used the JPEG Stereo convention.
It is mainly useful for legacy stereoscopic-image exchange rather than mainstream still-image publishing.
What changes when converting CRW to JPS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to JPS adds layer support. Moving to JPS adds vector scaling. Moving to JPS removes camera raw data. Moving to JPS adds streaming delivery.
What should I review after converting CRW to JPS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.