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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.
RAS at a glance
RAS
Before today's relatively small set of mainstream consumer image formats dominated everyday use, desktop software, workstations, GUI systems, and early graphics tools produced many specialized raster formats with local importance.
Format comparison
| Feature | PS | RAS |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1984 | 1987 |
| Inventor | Adobe | Sun Microsystems |
| Status | active | legacy |
| 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 RAS.
- PS is commonly used in document workflows.
When to use RAS
- Your target workflow expects RAS.
- Improve delivery compatibility with RAS.
- RAS is commonly used in image workflows.
FAQs
Why convert PS to RAS?
Convert to RAS when preserving compatibility with historical Sun or Unix image assets.
In most modern contexts it serves as a migration and archive-recovery format.
What changes when converting PS to RAS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to RAS removes vector scaling.
What should I review after converting PS to RAS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.