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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.
PSD in het kort
PSD
Photoshop's native format became one of the de facto interchange anchors of raster design and retouching, even outside Adobe-only teams, because so many creative pipelines converged around its feature set.
Formaatvergelijking
| Kenmerk | J2K | PSD |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 1990 |
| Inventor | Joint Photographic Experts Group | Adobe |
| 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 PSD.
- J2K is commonly used in image workflows.
When to use PSD
- Your target workflow expects PSD.
- Improve delivery compatibility with PSD.
- PSD is commonly used in image workflows.
Veelgestelde vragen
Why convert J2K to PSD?
Convert to PSD when artwork must remain editable in Photoshop, especially for retouching, compositing, layered design, or collaborative production handoff.
It is the right target for preserving Adobe-native editing structure.
What changes when converting J2K to PSD?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PSD adds layer support. Moving to PSD removes vector scaling.
What should I review after converting J2K to PSD?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.