MMegaConvert

Convert ICO to ARW

Free online ICO to ARW converter. No signup required.

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Max file size: 100 MB

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How to Convert ICO to ARW

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .ico file

    Drag and drop your .ico file into the upload area, or click "Browse" to select it from your device. Your file is uploaded securely and processed on our servers.

  2. 2

    Click "Convert to ARW"

    Once your file is uploaded, press the convert button to start the ICO to ARW conversion process.

  3. 3

    Wait for the conversion to complete

    The conversion usually takes just a few seconds. You can see the progress in real time while your file is being processed.

  4. 4

    Download your converted .arw file

    When the conversion is finished, click the download button to save your new .arw file. The file is ready to use immediately.

Understanding ICO and ARW Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

ICO Image

image/x-icon

ICO is an image format used to store icons in Microsoft Windows and for website favicons. A single ICO file can contain multiple images at different sizes and color depths, allowing the operating system or browser to select the most appropriate version. ICO files support sizes from 16x16 up to 256x256 pixels with up to 32-bit color depth including alpha transparency.

Advantages

  • Can store multiple resolutions and color depths in a single file
  • Universal support as favicons in all web browsers
  • Native format for Windows application and system icons

Limitations

  • Limited to relatively small image dimensions (max 256x256)
  • Larger file sizes than PNG when embedding multiple resolutions
  • Primarily Windows-centric with less relevance on other platforms

Common Uses

  • Website favicons displayed in browser tabs and bookmarks
  • Windows application and shortcut icons
  • Desktop and toolbar icons in Windows environments

Target Format

Sony Raw Image

image/x-sony-arw

ARW (Alpha Raw) is Sony's proprietary raw image format used by Sony Alpha mirrorless and DSLR cameras. Based on the TIFF specification, it stores unprocessed 12-bit or 14-bit sensor data with complete metadata. ARW files can be either uncompressed or use Sony's lossy or lossless compressed raw encoding.

Advantages

  • Preserves full unprocessed sensor data for maximum post-processing latitude
  • Supports both compressed and uncompressed raw storage options
  • Well-supported by major photo editing applications including Lightroom and Capture One

Limitations

  • Proprietary format with no publicly available specification
  • Large file sizes, especially in uncompressed mode
  • Requires raw-capable software for viewing and editing

Common Uses

  • Professional photography with Sony Alpha series cameras
  • Raw photo editing and non-destructive development
  • High-quality archival of photographic captures

Frequently Asked Questions

Common questions about converting ICO to ARW.

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