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PSB at a glance
PSB
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.
KRA at a glance
KRA
Krita's native format reflects the rise of open-source digital painting as a serious creative workflow rather than only a hobbyist alternative.
Format comparison
| Feature | PSB | KRA |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 2005 |
| Inventor | Adobe | Krita / KDE community |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PSB
- Your source file is already in PSB.
- Preserve source expectations before exporting to KRA.
- PSB 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.
FAQs
Why convert PSB 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 PSB to KRA?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PSB to KRA?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.