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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.
DCR at a glance
DCR
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 | DCR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2014 | 2004 |
| 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 DCR.
- BPG is commonly used in image workflows.
When to use DCR
- Your target workflow expects DCR.
- Improve delivery compatibility with DCR.
- DCR is commonly used in image workflows.
FAQs
Why convert BPG to DCR?
Convert to DCR when preserving compatibility with an older camera-specific raw workflow or recovering legacy photographic originals.
In current practice it is mainly an archival and migration target.
What changes when converting BPG to DCR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DCR removes animation support. Moving to DCR adds camera raw data. Moving to DCR removes HDR content.
What should I review after converting BPG to DCR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.