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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.
PEF at a glance
PEF
Pentax raw workflows never dominated the mass market, but their persistence in enthusiast and specialist photo libraries gives PEF ongoing practical relevance.
Format comparison
| Feature | BPG | PEF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2014 | 2006 |
| Inventor | Fabrice Bellard | Pentax (now Ricoh) |
| 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 PEF.
- BPG is commonly used in image workflows.
When to use PEF
- Your target workflow expects PEF.
- Improve delivery compatibility with PEF.
- PEF is commonly used in image workflows.
FAQs
Why convert BPG to PEF?
Convert to PEF when preserving Pentax camera originals or maintaining a Pentax-oriented raw workflow.
It is useful for archive masters and editable photographic captures.
What changes when converting BPG to PEF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PEF removes animation support. Moving to PEF adds camera raw data. Moving to PEF removes HDR content.
What should I review after converting BPG to PEF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.