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CR2 at a glance
CR2
Convert to CR2 when preserving Canon originals or maintaining a workflow that expects Canon raw files.
It is useful for archive retention, raw editing, and non-destructive photo finishing.
XUL at a glance
XUL
Legacy Firefox/Mozilla application development, XUL extension migration to WebExtensions, and Mozilla platform interface documentation.
Format comparison
| Feature | CR2 | XUL |
|---|---|---|
| File type | Image | Document |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | medium |
| Compatibility | limited | broad |
| Editability | high | moderate |
| Created year | 2004 | 1999 |
| Inventor | Canon | Mozilla (David Hyatt, others) |
| Status | proprietary | legacy |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | strong |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | exchange |
| Vector scaling | Supported | Not supported |
When to use each format
When to use CR2
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
When to use XUL
- authoring
- review and collaboration
- distribution
- Enabled declarative cross-platform UI construction inside the Mozilla ecosystem.
FAQs
Why convert CR2 to XUL?
Legacy Firefox/Mozilla application development, XUL extension migration to WebExtensions, and Mozilla platform interface documentation.
What changes when converting CR2 to XUL?
This conversion changes how the format behaves in downstream tools and delivery environments.
Size profile changes from large in CR2 to medium in XUL. Quality profile changes from raw in CR2 to depends in XUL. Editability profile changes from high in CR2 to moderate in XUL. Compatibility profile changes from limited in CR2 to broad in XUL. Metadata profile changes from rich in CR2 to moderate in XUL. Delivery profile changes from limited in CR2 to strong in XUL. Workflow profile changes from source in CR2 to exchange in XUL.
Moving to XUL removes vector scaling.
What should I review after converting CR2 to XUL?
Check the exported file for It is tightly bound to Mozilla-derived rendering engines and legacy tooling.; Mainstream Mozilla products have moved away from it, reducing current-day practical support..