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PS at a glance
PS
Adobe's PostScript technology was central to the desktop publishing revolution, and the language became tightly associated with printers, imagesetters, and prepress workflows.
ERF at a glance
ERF
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 | PS | ERF |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1984 | 2004 |
| Inventor | Adobe | Epson |
| Status | active | proprietary |
| Primary use cases |
|
|
| Vector scaling | Supported | Not supported |
When to use each format
When to use PS
- Your source file is already in PS.
- Preserve source expectations before exporting to ERF.
- PS is commonly used in document workflows.
When to use ERF
- Your target workflow expects ERF.
- Improve delivery compatibility with ERF.
- ERF is commonly used in image workflows.
FAQs
Why convert PS to ERF?
Convert to ERF when preserving or restoring Epson-origin raw captures in an archive or compatibility workflow.
In most contemporary pipelines, it is a legacy source format to retain or migrate.
What changes when converting PS to ERF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ERF removes vector scaling.
What should I review after converting PS to ERF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.