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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.
OGV at a glance
OGV
OGV is tied to the era of HTML5 video format debates and open-web media politics.
Format comparison
| Feature | VML | OGV |
|---|---|---|
| File type | Vector | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1998 | 2007 |
| Inventor | Microsoft, Macromedia, Autodesk, Hewlett-Packard, Visio | Xiph.Org |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not 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 OGV.
- VML is commonly used in vector workflows.
When to use OGV
- Your target workflow expects OGV.
- Improve delivery compatibility with OGV.
- OGV is commonly used in video workflows.
FAQs
Why convert VML to OGV?
Convert to OGV when you need compatibility with open-video archives, standards-focused projects, or historical web assets that relied on Ogg-based video delivery.
It is useful for preservation and controlled open-format distribution.
For present-day browser and platform reach, MP4 or WebM are usually better choices.
What changes when converting VML to OGV?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting VML to OGV?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.