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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.
IIQ at a glance
IIQ
Phase One positioned IIQ around its medium-format and digital-back workflows, which is why IIQ appears in a very different professional context from ordinary consumer camera raws.
Format comparison
| Feature | XCF | IIQ |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | raw |
| File size characteristics | medium | large |
| Compatibility | broad | limited |
| Editability | moderate | high |
| Created year | 1995 | 2007 |
| Inventor | GIMP community | Phase One |
| Status | proprietary | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | strong |
| Metadata handling | moderate | rich |
| Delivery profile | strong | limited |
| Workflow fit | delivery | source |
| Layer support | Supported | Not supported |
| Vector scaling | Supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use XCF
- capture ingest
- editing
- web or print delivery
- Preserves editable GIMP document state.
When to use IIQ
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
FAQs
Why convert XCF to IIQ?
Choose IIQ as target when preserving Phase One originals or keeping compatibility with medium-format studio workflows built around Capture One and Phase One hardware.
What changes when converting XCF to IIQ?
Convert to IIQ when preserving Phase One originals or keeping compatibility with medium-format studio workflows built around Capture One and Phase One hardware. It is an archival and editing format for premium photographic production.
What should I review after converting XCF to IIQ?
After conversion, review these destination checks: Open converted output in vendor photo software and verify behavior on real samples; Compare output against the expected raw quality profile; Compatibility often depends on vendor or decoder support.
How can I keep quality stable in XCF to IIQ conversion?
Run representative samples, keep settings deterministic, and monitor these risks: They are source formats, not publication-ready outputs; Compatibility often depends on vendor or decoder support; Validate destination compatibility before large-batch conversion.