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Convert ERF to CAL

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

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Epson Raw File (.erf)

The ERF, which refers to Epson Raw File, is a proprietary format used by Epson digital cameras to store uncompressed image data, capturing all sensor details. This format enables high-quality images and extensive post-processing flexibility. ERF files can be edited with specialized software, and some Epson cameras include a utility for basic adjustments. Although ERF files are large and require more storage and processing power, they are preferred by professional photographers for their superior quality and editing capabilities.

ERF Converter More About ERF

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 ERF to CAL?

  1. Upload ERF File

    Drag & drop any ERF file from your device or click the Choose File button to proceed.

  2. Select ERF Tools

    Before clicking the Convert button, use any available ERF to CAL tools.

  3. Download Your CAL

    Wait a few moments for the converter to complete its job, then download your CAL file.

Convert ERF to CAL

Frequently Asked Questions

How to change ERF format to CAL?

To change ERF format to CAL, upload your ERF file to proceed to the preview page. Use any available tools if you want to edit and manipulate your ERF 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 ERF 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 ERF file location or include path to your input file.
  3. Paste and execute the command below, substituting in your ERF_INPUT_FILE name or path. $ vertopal convert ERF_INPUT_FILE --to cal

Convert ERF 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 ERF file location or include path to your input file.
  3. Paste and execute the command below, substituting in your ERF_INPUT_FILE name or path. $ vertopal convert ERF_INPUT_FILE --to cal

Convert ERF 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 ERF file location or include path to your input file.
  3. Paste and execute the command below, substituting in your ERF_INPUT_FILE name or path. $ vertopal convert ERF_INPUT_FILE --to cal

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