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ORF at a glance
ORF
ORF belongs to the long Olympus digital-camera story, especially in the Four Thirds and Micro Four Thirds eras where portability and serious editing often coexisted.
HEIF at a glance
HEIF
HEIF was developed by MPEG and built on the ISO Base Media File Format lineage, which helps explain why it feels more like a modern media container for images than a simple legacy bitmap file.
Format comparison
| Feature | ORF | HEIF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2003 | 2015 |
| Inventor | Olympus (now OM System) | Moving Picture Experts Group (MPEG) |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not 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 ORF
- Your source file is already in ORF.
- Preserve source expectations before exporting to HEIF.
- ORF is commonly used in image workflows.
When to use HEIF
- Your target workflow expects HEIF.
- Improve delivery compatibility with HEIF.
- HEIF is commonly used in image workflows.
FAQs
Why convert ORF to HEIF?
Convert to HEIF when the destination benefits from modern image containers that can preserve more than a single flat raster, such as advanced mobile-photo workflows or efficient high-quality storage.
It is a strong target in contemporary imaging ecosystems.
What changes when converting ORF to HEIF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to HEIF removes camera raw data.
What should I review after converting ORF to HEIF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.