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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.
ASF at a glance
ASF
ASF is closely tied to the Windows Media era of desktop streaming and downloadable online media.
Format comparison
| Feature | KRA | ASF |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2005 | 1996 |
| Inventor | Krita / KDE community | Microsoft |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | 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 KRA
- Your source file is already in KRA.
- Preserve source expectations before exporting to ASF.
- KRA is commonly used in image workflows.
When to use ASF
- Your target workflow expects ASF.
- Improve delivery compatibility with ASF.
- ASF is commonly used in video workflows.
FAQs
Why convert KRA to ASF?
Convert to ASF when you need compatibility with older Windows Media infrastructures, enterprise archives, or inherited streaming libraries that still rely on Microsoft's classic container family.
It is useful for preservation and controlled legacy playback.
For current browser and consumer delivery, MP4 or WebM are generally better choices.
What changes when converting KRA to ASF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting KRA to ASF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.