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XUL at a glance
XUL
Convert XUL files with ConverterHQ using workflows tuned for document compatibility, predictable output, and practical downstream use.
Category
Document
Extensions
.xul
MIME types
application/vnd.mozilla.xul+xml
Created
1999
Inventor
Mozilla (David Hyatt, others)
Status
legacy
FFF at a glance
FFF
Convert FFF files with ConverterHQ using workflows tuned for image compatibility, predictable output, and practical downstream use.
Category
Image
Extensions
.fff
MIME types
image/fff
Created
2002
Inventor
Hasselblad
Status
proprietary
Format comparison
| Feature | XUL | FFF |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1999 | 2002 |
| Inventor | Mozilla (David Hyatt, others) | Hasselblad |
| 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 FFF.
- XUL is commonly used in document workflows.
When to use FFF
- Your target workflow expects FFF.
- Improve delivery compatibility with FFF.
- FFF is commonly used in image workflows.
FAQs
Why convert XUL to FFF?
Convert to FFF when maintaining compatibility with a specialized high-end imaging archive or recovering source material from that ecosystem.
It is mainly an archival and specialist workflow format.
What changes when converting XUL to FFF?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting XUL to FFF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.