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What is ICO?

ICO (Icon) is a file format for computer icons in Microsoft Windows. ICO files contain one or more small images for application icons and favicons.

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 ICO vs ORF?

Use ICO When...

Reach for ICO when your priority is favicons, application icons, platform-specific assets — 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.

ICO vs ORF: Key Differences

  • •ICO and ORF diverge on compression: lossless compression for the source, lossless compression for the target.
  • •Both formats share lossless compression, so quality behavior is similar across the two — file size differences come from algorithm efficiency rather than compression philosophy.
  • •How transparency is handled: ORF supports transparency, so alpha information is preserved during conversion.
  • •ICO files are typically 1-16KB while ORF files range 15-40MB per photo
  • •ICO is optimized for favicons, application icons, platform-specific assets while ORF is designed for olympus camera raw processing — choose based on your specific workflow needs

Advantages of ICO

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

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.

Common Use Cases for ICO to ORF Conversion

  • E-commerce product images
  • Email marketing campaigns
  • Presentation graphics
  • Blog and article illustrations
  • Mobile app UI assets
  • Product photography for marketplaces

Industry Applications

E-commerceDigital ArtUI/UX DesignAdvertisingBrand ManagementContent Management

Best Practices for ICO to ORF Conversion

  • →When converting ICO to ORF, check whether ORF supports transparency — if not, your transparent areas will be filled with a solid color
  • →Use ORF for maximum quality archival and ICO for smaller file sizes when quality is less critical
  • →Optimize images for web to reduce page load times — tools like our converter let you adjust quality settings before conversion
  • →Maintain original aspect ratio to avoid distortion during conversion
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

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

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

Troubleshooting ICO to ORF Conversion

  • !ORF shows visible compression artifacts → lower the compression level or switch to a lossless variant
  • !The converted ORF image looks washed out → the source ICO likely uses a wider color space than ORF supports
  • !ORF file is much larger than expected → check if the conversion preserved an unnecessarily high resolution
  • !Text in the converted ORF looks fuzzy → text-heavy images benefit from higher quality settings or a different output format

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Convert ICO to ORF Online - Free & Fast

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

Image Converter

Upload or enter a URL to convert ICO to ORF instantly

Click to upload or drag & drop ICO file

or paste from clipboard

.ico,.ICO (max 100MB)

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About ICO and ORF

ICO

ICO (ICO icons) - Icon - Windows favicon and application icon format. Best for favicons, application icons, platform-specific assets.

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 favicons, application icons, platform-specific assets to olympus camera raw processing
File Size~15-40MB per photo after conversion

FAQs

Is converting ICO to ORF free?

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

How long does it take to convert ICO to ORF?

Most ICO 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 ICO to ORF?

File size after ICO 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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