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XUL at a glance
XUL
XUL emerged in the early Mozilla era and powered Firefox's interface and add-on ecosystem for years before Firefox Quantum and the WebExtensions shift made most mainstream XUL workflows legacy.
MDC at a glance
MDC
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | XUL | MDC |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1999 | 2003 |
| Inventor | Mozilla (David Hyatt, others) | Minolta (now Sony) |
| Status | legacy | proprietary |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use XUL
- Your source file is already in XUL.
- Preserve source expectations before exporting to MDC.
- XUL is commonly used in document workflows.
When to use MDC
- Your target workflow expects MDC.
- Improve delivery compatibility with MDC.
- MDC is commonly used in image workflows.
FAQs
Why convert XUL to MDC?
Convert to MDC when preserving an older proprietary raw archive or interfacing with a workflow that still expects that format.
It is mainly useful for historical compatibility and migration.
What changes when converting XUL to MDC?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting XUL to MDC?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.