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PEF at a glance
PEF
Pentax raw workflows never dominated the mass market, but their persistence in enthusiast and specialist photo libraries gives PEF ongoing practical relevance.
XCF at a glance
XCF
XCF reflects the long history of GIMP as an open-source raster editor with its own native document model rather than as a lightweight clone of consumer image viewers.
Format comparison
| Feature | PEF | XCF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2006 | 1995 |
| Inventor | Pentax (now Ricoh) | GIMP 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 | 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 PEF
- Your source file is already in PEF.
- Preserve source expectations before exporting to XCF.
- PEF is commonly used in image workflows.
When to use XCF
- Your target workflow expects XCF.
- Improve delivery compatibility with XCF.
- XCF is commonly used in image workflows.
FAQs
Why convert PEF to XCF?
Convert to XCF when artwork needs to remain editable in GIMP, especially for layered image editing, compositing, and open-source creative workflows.
It is the right target for preserving GIMP-native editability.
What changes when converting PEF to XCF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to XCF adds layer support. Moving to XCF adds vector scaling. Moving to XCF removes camera raw data.
What should I review after converting PEF to XCF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.