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STRUCTURED DATA
WMF to KML Converter — Free, Online, No Signup
Convert WMF files to KML online with no signup required.
WMF at a glance
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.
KML at a glance
KML
KML is strongly associated with the Google Earth ecosystem and was later standardized through OGC.
Format comparison
| Feature | WMF | KML |
|---|---|---|
| File type | Vector | Other |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 2004 |
| Inventor | Microsoft Corporation | Keyhole, Inc. |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Vector scaling | Supported | Supported |
| Structured data | Not supported | Supported |
When to use each format
When to use WMF
- Your source file is already in WMF.
- Preserve source expectations before exporting to KML.
- WMF is commonly used in vector workflows.
When to use KML
- Your target workflow expects KML.
- Improve delivery compatibility with KML.
- KML is commonly used in other workflows.
FAQs
Why convert WMF to KML?
Convert to KML when the output needs to open cleanly in Google Earth or another Earth-browser workflow, especially for annotated map layers, site plans, territory overlays, and location datasets that benefit from styling and folder-based organization.
What changes when converting WMF to KML?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to KML adds structured data.
What should I review after converting WMF to KML?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.