MMegaConvert

Convert RAW to ARW

Free online RAW to ARW converter. No signup required.

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Max file size: 100 MB

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How to Convert RAW to ARW

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .raw file

    Drag and drop your .raw 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 RAW 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 RAW and ARW Formats

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

Source Format

Raw Image Data

application/octet-stream

RAW is a general term for unprocessed image data files captured directly from a camera's image sensor, though the .raw extension itself is sometimes used as a generic raw container. Different camera manufacturers use various proprietary raw formats, but files labeled .raw contain minimally processed sensor data preserving maximum detail and dynamic range. These files require specialized software to develop into viewable images.

Advantages

  • Contains the maximum possible image data from the camera sensor
  • Provides full control over white balance, exposure, and color in post-processing
  • Much higher dynamic range than processed JPEG output

Limitations

  • Generic .raw extension can cause compatibility issues with software detection
  • Very large file sizes compared to processed image formats
  • Cannot be displayed directly without raw processing software

Common Uses

  • Generic raw image capture from various camera systems
  • Raw image data from scientific and industrial imaging sensors
  • Intermediate data storage in image processing workflows

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 RAW to ARW.

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