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ARI at a glance
ARI
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
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 | ARI | KRA |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | medium |
| Compatibility | limited | broad |
| Editability | high | moderate |
| Created year | 2010 | 2005 |
| Inventor | ARRI (Arnold & Richter) | Krita / KDE community |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | delivery |
| 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 ARI
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage image data for later interpretation.
When to use KRA
- capture ingest
- editing
- web or print delivery
- Preserves editor-specific layered working state.
FAQs
Why convert ARI to KRA?
Choose KRA as target when the artwork needs to remain editable in Krita, especially for painting-heavy or layered illustration workflows.
What changes when converting ARI 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 should I review after converting ARI to KRA?
After conversion, review these destination checks: Open converted output in Krita and verify behavior on real samples; Compare output against the expected depends quality profile; Not a cross-tool final-delivery format.
How can I keep quality stable in ARI to KRA conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Conversion to flatter outputs can discard the editable state users actually care about; Not a cross-tool final-delivery format; Validate destination compatibility before large-batch conversion.