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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.
HDR at a glance
HDR
HDR raster formats became important in rendering and lighting workflows before consumer-facing HDR delivery stories matured in mainstream media formats.
Format comparison
| Feature | XCF | HDR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1995 | 1989 |
| Inventor | GIMP community | Greg Ward |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Vector scaling | Supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use XCF
- Your source file is already in XCF.
- Preserve source expectations before exporting to HDR.
- XCF is commonly used in image workflows.
When to use HDR
- Your target workflow expects HDR.
- Improve delivery compatibility with HDR.
- HDR is commonly used in image workflows.
FAQs
Why convert XCF to HDR?
Convert to HDR when you need scene-referred high-dynamic-range image data for rendering, environment lighting, or technical HDR processing.
It is useful for lighting assets and specialized imaging pipelines.
What changes when converting XCF to HDR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to HDR removes layer support. Moving to HDR removes vector scaling. Moving to HDR adds HDR content.
What should I review after converting XCF to HDR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.