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TIFF at a glance
TIFF
TIFF emerged in desktop publishing and imaging workflows as a versatile raster format that could carry tags, compression choices, color information, and high-quality scan/print data more gracefully than simpler interchange targets.
CRW at a glance
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
Format comparison
| Feature | TIFF | CRW |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1986 | 2000 |
| Inventor | Aldus / Adobe lineage | Canon |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use TIFF
- Your source file is already in TIFF.
- Preserve source expectations before exporting to CRW.
- TIFF is commonly used in image workflows.
When to use CRW
- Your target workflow expects CRW.
- Improve delivery compatibility with CRW.
- CRW is commonly used in image workflows.
FAQs
Why convert TIFF to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting TIFF to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to CRW removes layer support. Moving to CRW adds camera raw data.
What should I review after converting TIFF to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.