Convert.Guru

CALS Converter

Convert CALS files online for free


Drop or upload your .CALS file

How to convert your CALS file

  1. Click Select File above, and choose your CALS file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.


Convert CALS to another file type

The converter easily converts your CALS file to various formats—free and online. No Photoshop or extra software needed.

  • CALS to JPG
  • CALS to PDF
  • CALS to PNG
  • CALS to GIF
  • CALS to BMP
  • CALS to TIFF
  • CALS to TIF
  • CALS to WEBP
  • CALS to ICO
  • CALS to CUR
  • CALS to PSD
  • CALS to PSB

Convert a file to CALS

The converter also works in reverse, allowing you to convert your file into the CALS file type—in the best quality.

  • RAW to CALS
  • PNG to CALS
  • AI to CALS
  • NEF to CALS
  • PSB to CALS
  • DNG to CALS
  • SVG to CALS
  • GIF to CALS
  • EPS to CALS
  • JPG to CALS
  • ARW to CALS
  • PDF to CALS

About CALS files

CALS (Continuous Acquisition and Life-cycle Support) files are raster graphics files mainly used by the U.S. Department of Defense. They are based on a standard for digital image storage and interchange. While CALS files play a critical role in certain government and military applications, they are not widely supported across mainstream software.

Conversion Options: CALS files can be converted to various formats, including .jpg, .png, .tiff, .bmp, and .pdf. Software like IrfanView and ImageMagick can assist in these conversions. For more technical information, you can refer to Wikipedia's CALS article.

Considerations and Challenges: Converting CALS files can be challenging due to their limited support in common software. The conversion process may result in loss of quality or data if not handled properly. Users must ensure that the software they choose can maintain the integrity of the original file during conversion.

Drawbacks of CALS Files: The lack of mainstream software support and potential quality issues make CALS files less ideal for everyday use. They often require specialized software for viewing and conversion, which can be cumbersome for users unfamiliar with technical processes.

For a hassle-free experience, the free and easy-to-use Convert.Guru website offers a simple drag-and-drop interface to convert CALS files safely and reliably. Simply drag your CALS files onto the webpage to convert them into a variety of more accessible formats.


The CALS Converter Story

The history of Convert.Guru began more than 25 years ago in California, when Tom Simondi published the most comprehensive database of file formats on his website. Before that, Tom had worked on Space Shuttle development at the Air Force Systems Command’s Space Division in Los Angeles. He is known as one of the top programmers of the late 1980s.

When Microsoft integrated Tom’s Filext database into Windows XP, it became the leading platform for analyzing and processing file types and formats.

Today, we use the latest technologies to analyze, process, and convert one of the world's largest collections of file formats. We are committed to developing the best CALS converter by continuously improving quality, usability, and reliability.

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