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What is ORF?

Olympus Raw Format (ORF) contains raw sensor data from Olympus OM-D, PEN, and other Olympus digital cameras.

What is WMF?

Windows Metafile (WMF) is a vector and raster graphics format used by Microsoft Office for clip art and simple illustrations.

When Should You Use ORF vs WMF?

Use ORF When...

Reach for ORF when your priority is olympus camera raw processing — its uncompromising quality ensures every detail is preserved.

Use WMF When...

Reach for WMF when your priority is office documents, legacy vector graphics — its uncompromising quality ensures every detail is preserved.

ORF vs WMF: Key Differences

  • •The core technical difference: ORF relies on lossless compression whereas WMF uses lossless compression.
  • •Neither format changes compression philosophy — both are lossless compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Transparency: Limited transparency support
  • •File sizes: ORF files typically range 15-40MB per photo and WMF files 10KB to 5MB.
  • •ORF is optimized for olympus camera raw processing while WMF is designed for office documents, legacy vector graphics — choose based on your specific workflow needs

Advantages of ORF

  • ✓ORF uses lossless compression tailored for Olympus camera raw processing.
  • ✓ORF is supported natively on virtually every device, browser, and operating system.
  • ✓ORF files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓ORF integrates seamlessly with all major creative tools and workflows.

Advantages of WMF

  • ✓The lossless nature of WMF means file sizes stay reasonable while handling Office documents, legacy vector graphics efficiently.
  • ✓From mobile devices to enterprise servers, WMF is recognized and supported everywhere.
  • ✓The trade-off for WMF's perfection is larger files — but for archival work, it is worth every megabyte.
  • ✓WMF is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Common Use Cases for ORF to WMF Conversion

  • Product photography for marketplaces
  • Digital art portfolios
  • Brochure and flyer design
  • Newsletter graphics
  • Video thumbnail creation
  • Certificate and badge design

Industry Applications

Content ManagementMedical ImagingReal Estate PhotographyGame DevelopmentScientific VisualizationE-learning Content

Best Practices for ORF to WMF Conversion

  • →Before converting ORF to WMF, decide whether you need maximum quality or smallest file size — this determines which format truly fits
  • →Save a master copy in a lossless format before converting to WMF — you cannot recover detail lost during lossy compression
  • →Check the color profile: ORF images may use a wider gamut than WMF supports, causing a visible shift after conversion
  • →Resize images to the final display dimensions before converting — this avoids unnecessary processing of oversized files
  • →Run a single test conversion first to verify quality meets your standards
  • →Strip unnecessary metadata to reduce file size after conversion

Related Article

JPG vs PNG vs WebP: Which Image Format Should You Use?

Learn more about ORF and WMF formats in our detailed guide.

Troubleshooting ORF to WMF Conversion

  • !Converting ORF to WMF gives blurry output → increase the quality setting before conversion
  • !Colors look different in WMF than ORF → check color profile mismatch (sRGB vs Adobe RGB)
  • !File size changed more than expected → WMF uses different compression, file size differences of 2-5x are normal
  • !Transparent areas in ORF turned white in WMF → WMF may not support transparency

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Convert ORF to WMF Online - Free & Fast

Convert ORF files to WMF online for free. High-quality conversion with no registration required.

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About ORF and WMF

ORF

ORF (Olympus ORF raw) - Olympus Raw Format, raw image from Olympus cameras. Best for olympus camera raw processing.

WMF

WMF (WMF vectors) - Windows Metafile, vector format for Microsoft Office clip art. Ideal for office documents, legacy vector graphics.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from olympus camera raw processing to office documents, legacy vector graphics
File Size~10KB to 5MB after conversion

FAQs

Is converting ORF to WMF free?

Yes, GoConvertFile offers free conversion of ORF to WMF for files up to 100MB. No registration required.

How long does it take to convert ORF to WMF?

Most ORF to WMF conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is WMF best used for?

WMF is ideal for office documents, legacy vector graphics. Windows Metafile, vector format for Microsoft Office clip art

What file size should I expect after converting ORF to WMF?

File size after ORF to WMF conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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