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EPUB at a glance
EPUB
EPUB grew out of the digital publishing standards ecosystem and later moved under W3C stewardship, reinforcing its identity as an open publishing format rather than a vendor-specific storefront file.
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 | EPUB | KRA |
|---|---|---|
| File type | Ebook | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2007 | 2005 |
| Inventor | IDPF / W3C | Krita / KDE community |
| Status | active | proprietary |
| Primary use cases |
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When to use each format
When to use EPUB
- Your source file is already in EPUB.
- Preserve source expectations before exporting to KRA.
- EPUB is commonly used in ebook 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 EPUB 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 EPUB to KRA?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting EPUB to KRA?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.