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J2K in het kort
J2K
JPEG 2000 arrived as a major standards effort to improve on classic JPEG, but its practical adoption concentrated in specialist domains rather than in the universal browser-and-camera role held by JPEG.
KRA in het kort
KRA
Krita's native format reflects the rise of open-source digital painting as a serious creative workflow rather than only a hobbyist alternative.
Formaatvergelijking
| Kenmerk | J2K | KRA |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2005 |
| Inventor | Joint Photographic Experts Group | Krita / KDE community |
| Status | active | proprietary |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Ondersteund |
| Vector scaling | Ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use J2K
- Your source file is already in J2K.
- Preserve source expectations before exporting to KRA.
- J2K is commonly used in image workflows.
When to use KRA
- Your target workflow expects KRA.
- Improve delivery compatibility with KRA.
- KRA is commonly used in image workflows.
Veelgestelde vragen
Why convert J2K to KRA?
Convert to KRA when the artwork needs to remain editable in Krita, especially for painting-heavy or layered illustration workflows.
It is the right target for preserving native editability during digital-art production.
What changes when converting J2K to KRA?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to KRA adds layer support. Moving to KRA removes vector scaling.
What should I review after converting J2K to KRA?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.