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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.
ICNS at a glance
ICNS
ICNS reflects the Mac graphics-resource tradition where a single icon asset is really a packaged set of representations for one application or object identity.
Format comparison
| Feature | PS | ICNS |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1984 | 2000 |
| Inventor | Adobe | Apple |
| 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 ICNS.
- PS is commonly used in document workflows.
When to use ICNS
- Your target workflow expects ICNS.
- Improve delivery compatibility with ICNS.
- ICNS is commonly used in image workflows.
FAQs
Why convert PS to ICNS?
Convert to ICNS when creating or updating macOS application icons or preserving Apple-specific icon assets.
It is the correct target when a Mac application bundle or desktop asset workflow expects native icon resources.
What changes when converting PS to ICNS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ICNS removes vector scaling.
What should I review after converting PS to ICNS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.