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What is RAW?

Camera RAW is a file format containing unprocessed sensor data captured directly from a digital camera sensor, providing maximum flexibility for professional photo editing.

What is ORF?

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

When Should You Use RAW vs ORF?

Use RAW When...

Reach for RAW when your priority is professional photography, post-processing, editing — its uncompromising quality ensures every detail is preserved.

Use ORF When...

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

RAW vs ORF: Key Differences

  • •RAW and ORF diverge on compression: lossless compression for the source, lossless compression for the target.
  • •Since both RAW and ORF use lossless compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
  • •Transparency: N/A
  • •Storage footprint: 20-50MB per photo depending on camera for RAW vs 15-40MB per photo for ORF.
  • •RAW is optimized for professional photography, post-processing, editing while ORF is designed for olympus camera raw processing — choose based on your specific workflow needs

Advantages of RAW

  • ✓RAW uses lossless compression tailored for Professional photography, post-processing, editing.
  • ✓RAW is supported natively on virtually every device, browser, and operating system.
  • ✓RAW files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓RAW integrates seamlessly with all major photo editing tools and workflows.

Advantages of ORF

  • ✓At its core, ORF relies on lossless encoding — a design choice that makes it perfect for Olympus camera raw processing.
  • ✓You won't run into compatibility issues with ORF — it's a universal standard across platforms.
  • ✓File size management with ORF: larger files guaranteed to match the original exactly.
  • ✓Every major application in the Olympus camera raw processing space supports ORF natively.

Common Use Cases for RAW to ORF Conversion

  • Social media posts and ads
  • Digital photography and editing
  • Graphic design projects
  • E-commerce product images
  • Email marketing campaigns
  • Presentation graphics

Industry Applications

PhotographySocial Media MarketingPrint PublishingE-commerceDigital ArtUI/UX Design

Best Practices for RAW to ORF Conversion

  • →Before converting RAW to ORF, 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 ORF — you cannot recover detail lost during lossy compression
  • →Check the color profile: RAW images may use a wider gamut than ORF 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 RAW and ORF formats in our detailed guide.

Troubleshooting RAW to ORF Conversion

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

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About RAW and ORF

RAW

RAW (Camera RAW images) - Camera RAW - uncompressed sensor data from digital cameras. Best for professional photography, post-processing, editing.

ORF

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

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from professional photography, post-processing, editing to olympus camera raw processing
File Size~15-40MB per photo after conversion

FAQs

Is converting RAW to ORF free?

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

How long does it take to convert RAW to ORF?

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

What is ORF best used for?

ORF is ideal for olympus camera raw processing. Olympus Raw Format, raw image from Olympus cameras

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

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

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