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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.
KDC at a glance
KDC
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | BPG | KDC |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2014 | 2001 |
| Inventor | Fabrice Bellard | Kodak |
| 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 KDC.
- BPG is commonly used in image workflows.
When to use KDC
- Your target workflow expects KDC.
- Improve delivery compatibility with KDC.
- KDC is commonly used in image workflows.
FAQs
Why convert BPG to KDC?
Convert to KDC when preserving Kodak-origin raw captures or maintaining compatibility with older Kodak photo libraries.
In most current pipelines it is a source or archival target rather than a preferred modern output.
What changes when converting BPG to KDC?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to KDC removes animation support. Moving to KDC adds camera raw data. Moving to KDC removes HDR content.
What should I review after converting BPG to KDC?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.