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CR3 at a glance
CR3
CR3 marks Canon's move into a newer raw-file generation as mirrorless and later-camera workflows evolved beyond the long CR2 era.
DNG at a glance
DNG
DNG emerged when professional photo workflows were already fragmented across many undocumented vendor raw formats. Adobe positioned it as a common archival and interchange option rather than just another camera-native format.
Format comparison
| Feature | CR3 | DNG |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2018 | 2004 |
| Inventor | Canon | Adobe |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use CR3
- Your source file is already in CR3.
- Preserve source expectations before exporting to DNG.
- CR3 is commonly used in image workflows.
When to use DNG
- Your target workflow expects DNG.
- Improve delivery compatibility with DNG.
- DNG is commonly used in image workflows.
FAQs
Why convert CR3 to DNG?
Convert to DNG when you need a standardized raw master for archival storage, cross-tool editing, or camera-original normalization.
It is a strong target when long-term raw accessibility matters.
What changes when converting CR3 to DNG?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting CR3 to DNG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.