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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.
SR2 at a glance
SR2
Early Sony raw formats reflect the transitional period in which Sony was still establishing its photography ecosystem and raw compatibility story.
Format comparison
| Feature | HEIF | SR2 |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2015 | 2003 |
| Inventor | Moving Picture Experts Group (MPEG) | Sony |
| Status | active | proprietary |
| 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 | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use HEIF
- Your source file is already in HEIF.
- Preserve source expectations before exporting to SR2.
- HEIF is commonly used in image workflows.
When to use SR2
- Your target workflow expects SR2.
- Improve delivery compatibility with SR2.
- SR2 is commonly used in image workflows.
FAQs
Why convert HEIF to SR2?
Convert to SR2 when maintaining an archive of older Sony raws or preserving compatibility with an earlier Sony camera workflow.
In most modern pipelines it is a source or recovery target rather than a preferred new output.
What changes when converting HEIF to SR2?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to SR2 adds camera raw data.
What should I review after converting HEIF to SR2?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.