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BPG at a glance
BPG
BPG arrived in the mid-2010s when image engineers were looking for better post-JPEG compression before AVIF and JPEG XL had ecosystem momentum.
ARW at a glance
ARW
As Sony expanded from consumer electronics into serious camera bodies and sensors, ARW became part of the broader shift that put Sony raw support on the critical path for many photo applications.
Format comparison
| Feature | BPG | ARW |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2014 | 2006 |
| Inventor | Fabrice Bellard | Sony |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | 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 | Supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use BPG
- Your source file is already in BPG.
- Preserve source expectations before exporting to ARW.
- BPG is commonly used in image workflows.
When to use ARW
- Your target workflow expects ARW.
- Improve delivery compatibility with ARW.
- ARW is commonly used in image workflows.
FAQs
Why convert BPG to ARW?
Convert to ARW when preserving Sony camera originals or returning processed material to a Sony raw workflow.
It is useful for archival retention, high-latitude editing, and non-destructive photographic post-processing.
What changes when converting BPG to ARW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ARW removes animation support. Moving to ARW adds camera raw data. Moving to ARW removes HDR content.
What should I review after converting BPG to ARW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.