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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.
JBIG2 at a glance
JBIG2
JBIG and JBIG2 belong to the branch of imaging standards aimed at scanned monochrome or mostly bitonal content rather than rich photographic colour imaging.
Format comparison
| Feature | CR3 | JBIG2 |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2018 | 2000 |
| Inventor | Canon | Joint Bi-level Image Experts Group |
| 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 | Not 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 JBIG2.
- CR3 is commonly used in image workflows.
When to use JBIG2
- Your target workflow expects JBIG2.
- Improve delivery compatibility with JBIG2.
- JBIG2 is commonly used in image workflows.
FAQs
Why convert CR3 to JBIG2?
Convert to JBIG2 when optimizing scanned monochrome documents, forms, or page archives for storage and distribution.
It is ideal for document-heavy imaging pipelines where file size matters and the source is mostly black-and-white content.
What changes when converting CR3 to JBIG2?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to JBIG2 removes camera raw data.
What should I review after converting CR3 to JBIG2?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.