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VECTOR
WMF Converter
Convert WMF files with ConverterHQ using workflows tuned for vector compatibility, predictable output, and practical downstream use.
Quality and compatibility profile
Core technical and historical facts used for conversion quality, compatibility decisions, and SEO uniqueness.
| Feature | Fact sheet |
|---|---|
| Category | VECTOR |
| Extensions | .wmf |
| MIME types | image/wmf |
| Created | 1990 |
| Inventor | Microsoft Corporation |
| Status | legacy |
| Compression type | lossy |
| Transparency support | ❌ |
| Animation support | ❌ |
| Color Depth | 24-bit |
| Container | WMF container |
| Layer support | ❌ |
| Vector scaling | ✅ |
| Reflowable text | ✅ |
| Multitrack content | ❌ |
| Camera raw data | ❌ |
| HDR content | ❌ |
| Structured data | ❌ |
| Streaming delivery | ❌ |
About this format
WMF format context
Format: WMF
Overview
WMF is a 16-bit image file format that can contain both vector graphics and bitmap components. It was introduced with Windows 3.0 and acts similarly to SVG in that it stores a list of GDI drawing commands. WMF has been deprecated by Microsoft in favour of the 32-bit EMF format.
Windows applications needed a way to record and replay GDI drawing operations as a portable graphics format.
WMF is encountered mostly in legacy documents, particularly older Microsoft Office files and clipart collections.
WMF is closely associated with Microsoft Corporation.
WMF is usually selected for workflows that center on illustration, diagramming, brand asset delivery.
Typical Workflows
- illustration
- diagramming
- brand asset delivery
Common Software
- Microsoft Office
- LibreOffice
- Inkscape
- XnView
Strengths
- Universal recognition in Windows applications.
- Published specification under open promise.
- Compact representation of simple vector graphics.
- Extensive legacy content available.
Limitations
- 16-bit format with limited precision.
- Not truly device-independent without placeable header.
- Security vulnerabilities have been discovered historically.
- Largely superseded by EMF and SVG.
Related Formats
- EMF
- SVG
- EPS
Interesting Context
The original WMF specification was published in the Windows 3.1 SDK documentation in 1992. Aldus Corporation independently added a 'placeable' header for device independence, which Microsoft later incorporated in Windows 2000. The format specification was republished in 2006 under the Microsoft Open Specification Promise.
WMF belongs to historical Windows graphics, Office document archives, legacy publishing systems, and conversion workflows that recover old vector artwork from desktop-era software.
Modern tools often support it for import, but new authoring rarely targets it directly.
Its ecosystem survives through the long tail of old documents and assets.
Status: legacy. Introduced: 1990. Invented by: Microsoft Corporation. Stewarded by: Microsoft Corporation.
How WMF fits into workflows
Workflow role: WMF
Convert to WMF when preserving compatibility with older Windows document workflows, embedded legacy graphics, or archive recovery tasks where that classic metafile format is still expected.
It is useful as a bridge for historical Office-era vector assets.
For contemporary vector exchange, EMF, SVG, or PDF are usually more practical.
History of WMF
Format history: WMF
The original WMF specification was published in the Windows 3.1 SDK documentation in 1992. Aldus Corporation independently added a 'placeable' header for device independence, which Microsoft later incorporated in Windows 2000. The format specification was republished in 2006 under the Microsoft Open Specification Promise.
Original problem: Windows applications needed a way to record and replay GDI drawing operations as a portable graphics format.
Why WMF still matters
Current role: WMF
WMF is a 16-bit image file format that can contain both vector graphics and bitmap components. It was introduced with Windows 3.0 and acts similarly to SVG in that it stores a list of GDI drawing commands. WMF has been deprecated by Microsoft in favour of the 32-bit EMF format.
Modern role: WMF is encountered mostly in legacy documents, particularly older Microsoft Office files and clipart collections. It has been superseded by EMF for most modern use cases.
When to use WMF
- illustration
- diagramming
- brand asset delivery
Advantages of WMF
- Universal recognition in Windows applications.
- Published specification under open promise.
- Compact representation of simple vector graphics.
- Extensive legacy content available.
Limitations of WMF
- 16-bit format with limited precision.
- Not truly device-independent without placeable header.
- Security vulnerabilities have been discovered historically.
- Largely superseded by EMF and SVG.
Formats related to WMF
WMF technical profile
| Feature | Fact sheet |
|---|---|
| Category | vector |
| Extensions | .wmf |
| MIME types | image/wmf |
| Created year | 1990 |
| Inventor | Microsoft Corporation |
| Status | legacy |
| compression_type | lossy |
| supports_transparency | False |
| supports_animation | False |
| color_depth | 24-bit |
| container | WMF container |
| supports_layers | False |
| supports_vector_scaling | True |
| supports_reflowable_text | True |
| supports_multitrack | False |
| camera_raw | False |
| hdr_capable | False |
| structured_data_capable | False |
| streaming_ready | False |
| sources | {'url': 'https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-wmf/', 'title': '[MS-WMF]: Windows Metafile Format', 'relevance': 'Official specification', 'source_type': 'official'}, {'url': 'https://en.wikipedia.org/wiki/Windows_Metafile', 'title': 'Reference Documentation', 'relevance': 'Technical reference', 'source_type': 'reference'}, {'url': 'https://www.loc.gov/preservation/digital/formats/fdd/fdd000075.shtml', 'title': 'Reference Documentation', 'relevance': 'Technical reference', 'source_type': 'reference'} |
WMF quality and compatibility
Format profile: WMF
Size profile: small. Quality profile: scalable. Editability profile: high. Compatibility profile: moderate. Archival profile: good. Metadata profile: moderate. Delivery profile: strong. Workflow profile: design. Status: legacy.
Notable capabilities: vector scaling, reflowable text.
Software that opens WMF
- Microsoft Office
- LibreOffice
- Inkscape
- XnView
Conversion options
FAQs
Q: What is WMF typically used for?
A:
WMF is commonly used for illustration, diagramming, brand asset delivery.
Q: What are the advantages of WMF?
A:
WMF is broadly compatible across common software.
Q: What should I watch out for when converting WMF?
A:
Check output quality and compatibility on representative sample files.
Sources
Official specification
Technical reference
Technical reference