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VML in sintesi
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.
JBIG in sintesi
JBIG
JBIG and JBIG2 belong to the branch of imaging standards aimed at scanned monochrome or mostly bitonal content rather than rich photographic colour imaging.
Confronto tra formati
| Caratteristica | VML | JBIG |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
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| Created year | 1998 | 2000 |
| Inventor | Microsoft, Macromedia, Autodesk, Hewlett-Packard, Visio | Joint Bi-level Image Experts Group |
| Status | legacy | active |
| Transparency | Non supportato | Non supportato |
| Animation | Non supportato | Non supportato |
| Primary use cases |
|
|
| Layer support | Non supportato | Non supportato |
| Vector scaling | Supportato | Non supportato |
Quando usare ciascun formato
When to use VML
- Your source file is already in VML.
- Preserve source expectations before exporting to JBIG.
- VML is commonly used in vector workflows.
When to use JBIG
- Your target workflow expects JBIG.
- Improve delivery compatibility with JBIG.
- JBIG is commonly used in image workflows.
Domande frequenti
Why convert VML to JBIG?
Convert to JBIG when compressing monochrome scanned documents, line art, or text-heavy page imagery where bi-level efficiency matters.
It is useful for document-imaging pipelines rather than everyday photo delivery.
What changes when converting VML to JBIG?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to JBIG removes vector scaling.
What should I review after converting VML to JBIG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.