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Convert NRW to CAL

Convert NRW images to CAL format, edit and optimize images online and free.

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Nikon Raw Image (.nrw)

The NRW file extension stands for Nikon Raw Image, a proprietary raw image format used by Nikon digital cameras, particularly the high-end COOLPIX models. NRW files store uncompressed, unprocessed image data, allowing for greater post-processing flexibility and higher image quality compared to compressed formats like JPEG. Introduced to support Windows Imaging Component (WIC) functions, NRW files enable photographers to adjust color, brightness, and other image attributes with precision. Compatible with various image editing software, including Nikon ViewNX2 and Adobe Photoshop, NRW files are essential for professional photography.

NRW Converter More About NRW

Continuous Acquisition and Life-cycle Support Type 1 Image (.cal)

The CAL file extension, known as CALS (Continuous Acquisition and Life-cycle Support) Type 1 Image, is a 1-bit black-and-white raster image format developed by the U.S. Department of Defense in the mid-1980s to standardize graphics data interchange for military documentation. It is primarily used for storing and sharing monochrome images while retaining orientation metadata. The format supports both uncompressed and compressed (using CCITT Group 4 compression) images.

CAL Converter

How to convert NRW to CAL?

  1. Upload NRW File

    Drag & drop or browse your device to select and upload your NRW file.

  2. Select NRW Tools

    Use any available NRW to CAL tools on the preview page and click Convert.

  3. Download Your CAL

    You will be redirected to the download page to see the conversion status and download your CAL file.

Convert NRW to CAL

Frequently Asked Questions

How to change NRW format to CAL?

To change NRW format to CAL, upload your NRW file to proceed to the preview page. Use any available tools if you want to edit and manipulate your NRW file. Click on the convert button and wait for the convert to complete. Download the converted CAL file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert NRW to CAL on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to NRW file location or include path to your input file.
  3. Paste and execute the command below, substituting in your NRW_INPUT_FILE name or path. $ vertopal convert NRW_INPUT_FILE --to cal

Convert NRW to CAL on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to NRW file location or include path to your input file.
  3. Paste and execute the command below, substituting in your NRW_INPUT_FILE name or path. $ vertopal convert NRW_INPUT_FILE --to cal

Convert NRW to CAL on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to NRW file location or include path to your input file.
  3. Paste and execute the command below, substituting in your NRW_INPUT_FILE name or path. $ vertopal convert NRW_INPUT_FILE --to cal

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