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VML at a glance
VML
VML emerged as a 1998 W3C submission backed by Microsoft and partners such as Autodesk, Hewlett-Packard, Macromedia, and Visio, reflecting the moment when web graphics standards were still unsettled.
MOS at a glance
MOS
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 | VML | MOS |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1998 | 2003 |
| Inventor | Microsoft, Macromedia, Autodesk, Hewlett-Packard, Visio | Leaf (now Phase One) |
| Status | legacy | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use VML
- Your source file is already in VML.
- Preserve source expectations before exporting to MOS.
- VML is commonly used in vector workflows.
When to use MOS
- Your target workflow expects MOS.
- Improve delivery compatibility with MOS.
- MOS is commonly used in image workflows.
FAQs
Why convert VML to MOS?
Convert to MOS when maintaining compatibility with Leaf-originated capture files or preserving source material from medium-format studio workflows.
It is primarily an archival and editing format.
What changes when converting VML to MOS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to MOS removes vector scaling.
What should I review after converting VML to MOS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.