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DOCM at a glance
DOCM
DOCM arrived in the post-binary Office era as Microsoft split macro-enabled and macro-free documents into distinct extensions, making trust and security policy easier to reason about.
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.
Format comparison
| Feature | DOCM | BPG |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2007 | 2014 |
| Inventor | Microsoft | Fabrice Bellard |
| Status | active | active |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use DOCM
- Your source file is already in DOCM.
- Preserve source expectations before exporting to BPG.
- DOCM is commonly used in document workflows.
When to use BPG
- Your target workflow expects BPG.
- Improve delivery compatibility with BPG.
- BPG is commonly used in image workflows.
FAQs
Why convert DOCM to BPG?
High-efficiency image encoding for maximum compression at JPEG-class quality, image compression research, and specialized pipelines where HEVC infrastructure is available.
What changes when converting DOCM to BPG?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DOCM to BPG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.