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HomeWMF vs SK
.wmf
.sk

WMF vs SK

Compare Windows Metafile and Sketch formats — understand the key differences and when to use each

Format Overview

WMF

Windows Metafile

Windows Metafile (.wmf) is a vector file format.

.wmfvector

SK

Sketch

Sketch (.sk) is a vector file format.

.skvector

WMF vs SK: Feature Comparison

FeatureWMFSK
Full NameWindows MetafileSketch
File Extension.wmf.sk
Categoryvectorvector
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use WMF vs SK

Use WMF when you need:

  • •Files in Windows Metafile format for maximum compatibility
  • •Industry-standard vector format support
  • •Wide software and platform compatibility

Use SK when you need:

  • •Files in Sketch format for specific workflows
  • •Optimized vector format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

WMF SKSK WMF
Dateien auswählen

oder Dateien hierher ziehen

Max. Dateigröße: 2 GB

Ihre Dateien werden lokal in Ihrem Browser verarbeitet. Nichts wird auf einen Server hochgeladen.

Learn More About These Formats

WMF Converter SK Converter

Frequently Asked Questions

What is the difference between WMF and SK?
WMF (Windows Metafile) and SK (Sketch) are both vector file formats. WMF files use the .wmf extension while SK uses .sk. They differ in compression, quality, compatibility, and intended use cases.
Can I convert WMF to SK for free?
Yes! Convert999 lets you convert WMF to SK completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, WMF or SK?
It depends on your use case. WMF (Windows Metafile) may be better for certain workflows, while SK (Sketch) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

WMF Converter

Convert from WMF

SK Converter

Convert from SK

File Tools

Compress, resize, merge

Convert to WMF

All sources → WMF

Convert to SK

All sources → SK

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG