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X3F at a glance
X3F
Sigma raw support is closely tied to the company's Foveon sensor story, giving X3F a reputation and workflow profile that differ from more mainstream Bayer-centric raw ecosystems.
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 | X3F | KRA |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2002 | 2005 |
| Inventor | Sigma (Foveon) | Krita / KDE community |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use X3F
- Your source file is already in X3F.
- Preserve source expectations before exporting to KRA.
- X3F 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 X3F 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 X3F 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 camera raw data.
What should I review after converting X3F to KRA?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.