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BPG at a glance
BPG
BPG arrived in the mid-2010s when image engineers were looking for better post-JPEG compression before AVIF and JPEG XL had ecosystem momentum.
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.
Format comparison
| Feature | BPG | VML |
|---|---|---|
| File type | Image | Vector |
| Extensions |
|
|
| MIME type |
|
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| Created year | 2014 | 1998 |
| Inventor | Fabrice Bellard | Microsoft, Macromedia, Autodesk, Hewlett-Packard, Visio |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Supported |
When to use each format
When to use BPG
- Your source file is already in BPG.
- Preserve source expectations before exporting to VML.
- BPG is commonly used in image workflows.
When to use VML
- Your target workflow expects VML.
- Improve delivery compatibility with VML.
- VML is commonly used in vector workflows.
FAQs
Why convert BPG to VML?
Convert to or from VML when migrating legacy Office drawings, cleaning up IE-era web content, or translating Microsoft-specific vector markup into SVG, PNG, or modern document formats.
It is mainly a bridge format for archival recovery and standards migration.
What changes when converting BPG to VML?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to VML removes animation support. Moving to VML adds vector scaling.
What should I review after converting BPG to VML?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.