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CDR at a glance
CDR
CorelDRAW was developed by Corel engineers Michel Bouillan and Pat Beirne in 1987 to bundle with Corel's desktop publishing systems. The inclusion of TrueType support in Windows 3.1 transformed CorelDRAW into a serious illustration program.
PSB at a glance
PSB
Photoshop's native format became one of the de facto interchange anchors of raster design and retouching, even outside Adobe-only teams, because so many creative pipelines converged around its feature set.
Format comparison
| Feature | CDR | PSB |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1989 | 1990 |
| Inventor | Corel Corporation | Adobe |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use CDR
- Your source file is already in CDR.
- Preserve source expectations before exporting to PSB.
- CDR is commonly used in vector workflows.
When to use PSB
- Your target workflow expects PSB.
- Improve delivery compatibility with PSB.
- PSB is commonly used in image workflows.
FAQs
Why convert CDR to PSB?
Convert to PSB when the image must remain editable in Photoshop at very large dimensions or layer counts.
It is useful for oversized composites, print backdrops, and complex production artwork.
What changes when converting CDR to PSB?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PSB adds layer support. Moving to PSB removes vector scaling.
What should I review after converting CDR to PSB?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.