File Formats: Windows Metafile Formats (WMF and EMF)

The Windows Metafile (WMF and EMF) formats are vector formats that may or may not also contain a raster image.

EMF/WMF Vector files can be read and written as raster images in the Imaging Pro toolkits. They can be read and written as vector images in the Document and Medical Imaging toolkits.

File constants associated with this file format are:


Read Support

Write Support





Windows Metafile.




Windows Enhanced Metafile.

When WMF and EMF files are rasterized, they are either 8 or 24 BPP.

Required DLL: Leadtools.Codecs.Wmf.dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platform Support

Extension Module Value Win32 Win64 Net32 Net64 Linux Android Apple UWP MimeType Friendly Name
Wmf WMF 15 image/x-wmf Windows Metafile - WMF
Emf EMF 116 image/x-emf EMF - Windows Enhanced Metafile

For a complete list for supported file formats, see Summary of All Supported File Formats.

For details of the file formats supported across products and platforms, refer to File Format Comparison Chart.

NOTE: LEADTOOLS supports writing the EMF file format using the LEADTOOLS Document Writers. For more information on the LEADTOOLS Document Writers SDK, refer to Introduction.

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