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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 ARW?

Sony Alpha Raw (ARW) is Sony's proprietary raw image format containing unprocessed sensor data from Sony Alpha and Cyber-shot cameras.

When Should You Use ICO vs ARW?

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 ARW When...

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

ICO vs ARW: Key Differences

  • •ICO and ARW 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: ARW supports transparency, so alpha information is preserved during conversion.
  • •Storage footprint: 1-16KB for ICO vs 20-40MB per photo for ARW.
  • •ICO is optimized for favicons, application icons, platform-specific assets while ARW is designed for sony camera post-processing, professional editing — choose based on your specific workflow needs

Advantages of ICO

  • ✓ICO applies lossless compression specifically calibrated for Favicons, application icons, platform-specific assets.
  • ✓ICO enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓ICO guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find ICO support built into virtually every tool that handles Favicons, application icons, platform-specific assets — no plugins or converters needed.

Advantages of ARW

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

Common Use Cases for ICO to ARW 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 ICO to ARW Conversion

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

Troubleshooting ICO to ARW Conversion

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

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Convert ICO to ARW Online - Free & Fast

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

Image Converter

Upload or enter a URL to convert ICO to ARW instantly

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.ico,.ICO (max 100MB)

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About ICO and ARW

ICO

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

ARW

ARW (Sony ARW raw) - Sony Alpha Raw, proprietary camera raw format for Sony cameras. Ideal for sony camera post-processing, professional editing.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from favicons, application icons, platform-specific assets to sony camera post-processing, professional editing
File Size~20-40MB per photo after conversion

FAQs

Is converting ICO to ARW free?

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

How long does it take to convert ICO to ARW?

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

What is ARW best used for?

ARW is ideal for sony camera post-processing, professional editing. Sony Alpha Raw, proprietary camera raw format for Sony cameras

What file size should I expect after converting ICO to ARW?

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

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Best compressionBest quality