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JPEG 2000 at a glance
JPEG 2000
JPX reflects the branch of JPEG 2000 that pushed beyond a simple still-image wrapper into more expressive composition and metadata scenarios for professional and institutional imaging.
RAF at a glance
RAF
Fujifilm's digital-camera identity tied raw capture not just to sensor data but also to a brand-specific color and workflow story, which gives RAF a recognizably different practical role from some rival raw families.
Format comparison
| Feature | JPEG 2000 | RAF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2000 |
| Inventor | ISO/IEC (JPEG committee) | Fujifilm |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use JPEG 2000
- Your source file is already in JPEG 2000.
- Preserve source expectations before exporting to RAF.
- JPEG 2000 is commonly used in image workflows.
When to use RAF
- Your target workflow expects RAF.
- Improve delivery compatibility with RAF.
- RAF is commonly used in image workflows.
FAQs
Why convert JPEG 2000 to RAF?
Convert to RAF when preserving Fujifilm camera originals or handing files back into a Fujifilm-oriented raw workflow.
It is appropriate for archive masters and non-destructive photographic editing.
What changes when converting JPEG 2000 to RAF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to RAF removes animation support. Moving to RAF adds camera raw data.
What should I review after converting JPEG 2000 to RAF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.