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Convert VDA to CALS

Convert VDA images to CALS format, edit and optimize images online and free.

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Targa Graphics (.vda)

The VDA file extension, associated with Truevision Advanced Raster Graphics Adapter (TARGA), is a raster graphics file format developed by Truevision Inc. It was designed for high-color and true-color display on IBM-compatible PCs, supporting resolutions matching NTSC and PAL video formats. VDA files are used for digital photos, textures, and video editing, offering various color depths (8 to 32 bits) and alpha channel transparency. The format includes both lossless and lossy compression options, ensuring high-quality image preservation.

VDA Converter

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

The CALS (Continuous Acquisition and Life-cycle Support) Type 1 Image file format, developed by the United States Department of Defense in the mid-1980s, is a standard for storing raster (bit-mapped) image data, typically black-and-white. It ensures efficient data interchange and retention of orientation metadata. The format supports both uncompressed and compressed (using CCITT Group 4 compression) images. This standard was part of the broader CALS initiative aimed at improving electronic publishing and data management within the federal government.

CALS Converter

How to convert VDA to CALS?

  1. Upload VDA File

    Click Choose File to upload a VDA image from your device.

  2. Select VDA Tools

    Adjust VDA to CALS settings with tools, then press Convert.

  3. Download Your CALS

    Once the CALS process is finished, the file will be ready for download.

Convert VDA to CALS

Convert VDA to CALS on Desktop

(macOS • Windows • Linux)

Vertopal CLI manages conversion from VDA image into CALS image once installed.

  1. Launch the command console for system control.
  2. Either cd into the VDA file directory or provide the path.
  3. Paste and run the command after updating VDA_INPUT_FILE. $ vertopal convert VDA_INPUT_FILE --to cals

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