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Krita Brush at a glance
Krita Brush
GIMP's brush formats grew out of the need to preserve painting resources as reusable assets rather than flattening every stroke into ordinary image files.
RAS at a glance
RAS
Before today's relatively small set of mainstream consumer image formats dominated everyday use, desktop software, workstations, GUI systems, and early graphics tools produced many specialized raster formats with local importance.
Format comparison
| Feature | Krita Brush | RAS |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1996 | 1987 |
| Inventor | GIMP Development Team | Sun Microsystems |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not 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 Krita Brush
- Your source file is already in Krita Brush.
- Preserve source expectations before exporting to RAS.
- Krita Brush is commonly used in image workflows.
When to use RAS
- Your target workflow expects RAS.
- Improve delivery compatibility with RAS.
- RAS is commonly used in image workflows.
FAQs
Why convert Krita Brush to RAS?
Convert to RAS when preserving compatibility with historical Sun or Unix image assets.
In most modern contexts it serves as a migration and archive-recovery format.
What changes when converting Krita Brush to RAS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to RAS removes layer support.
What should I review after converting Krita Brush to RAS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.