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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.
HDR at a glance
HDR
HDR raster formats became important in rendering and lighting workflows before consumer-facing HDR delivery stories matured in mainstream media formats.
Format comparison
| Feature | PDF | HDR |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 1989 |
| Inventor | Adobe | Greg Ward |
| 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 HDR.
- PDF is commonly used in document workflows.
When to use HDR
- Your target workflow expects HDR.
- Improve delivery compatibility with HDR.
- HDR is commonly used in image workflows.
FAQs
Why convert PDF to HDR?
Convert to HDR when you need scene-referred high-dynamic-range image data for rendering, environment lighting, or technical HDR processing.
It is useful for lighting assets and specialized imaging pipelines.
What changes when converting PDF to HDR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to HDR removes vector scaling.
What should I review after converting PDF to HDR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.
Format resources
Related conversions
Suggested links
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