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PDF at a glance
Adobe introduced PDF in the early 1990s as part of the Acrobat family. Adobe later handed the specification to ISO, and PDF 1.7 became ISO 32000-1 in 2008.
DNG at a glance
DNG
DNG emerged when professional photo workflows were already fragmented across many undocumented vendor raw formats. Adobe positioned it as a common archival and interchange option rather than just another camera-native format.
Format comparison
| Feature | PDF | DNG |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2004 |
| Inventor | Adobe | Adobe |
| Status | active | active |
| Primary use cases |
|
|
| Vector scaling | Supported | Not supported |
When to use each format
When to use PDF
- Your source file is already in PDF.
- Preserve source expectations before exporting to DNG.
- PDF is commonly used in document workflows.
When to use DNG
- Your target workflow expects DNG.
- Improve delivery compatibility with DNG.
- DNG is commonly used in image workflows.
FAQs
Why convert PDF to DNG?
Convert to DNG when you need a standardized raw master for archival storage, cross-tool editing, or camera-original normalization.
It is a strong target when long-term raw accessibility matters.
What changes when converting PDF to DNG?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DNG removes vector scaling.
What should I review after converting PDF to DNG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.
Format resources
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