Convert CMU to CAL

With our fast and user-friendly CMU to CAL converter, you can steer clear of the tedious task of manually converting multiple .cmu files into cal format for hours on end.

reaConverter is an offline software program used to convert files between different file formats and perform image editing. With reaConverter you can easily convert CMU files to CAL format.

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CMU to CAL
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How to Convert Multiple CMU Files to CAL?

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

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Install reaConverter

2. Load your CMU files

Start reaConverter and load all the .cmu files you intend to convert into .cal. The software supports multiple CMU conversion and processes all files locally on your computer.

Select CMUs from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your CMU files into reaConverter

3. Select CAL as output format

Pick the CAL as output format and choose the destination folder where you want to save new .cal files.

Select CAL as output format

4. Start CMU to CAL conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your CAL files in the destination folder you selected.

CMU to CAL Converter

reaConverter offers the fastest, simplest solution for converting your CMU files into CAL in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting CMU files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on May 24, 2025
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
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DeShawn M. Thompson
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
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Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
⭐⭐⭐⭐⭐
Ava Thomas
Happy User
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
⭐⭐⭐⭐⭐
J. Mitchell
Satisfied Customer
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
⭐⭐⭐⭐⭐
Malik T. Martin
Satisfied Customer
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
⭐⭐⭐⭐⭐
Sarah Lane
Satisfied Customer

CMU to CAL Conversion: FAQ

What are CMU files?

The CMU format is associated with a Window Manager program included in the Andrew Project. CMU actually stands for "Carnegie Mellon University", where the Andrew Project was developed starting with the early 1980s. The name of the project comes from Andrew Carnegie and Andrew Mellon, who were its initiators. The main aim of the Andrew Project was to enlarge university computing infrastructure and to make it more accessible.

What are CAL files?

A CAL image file represents a monochrome bitmap image that uses the CALS raster image standard for storing graphics data. This standard was created in the 1980s by the US Department of Defence as a compressed interchangeable image format. CAL and CALS are extensions used for similar purposes.

Can reaConverter convert CMU to CAL?

Yes! reaConverter instantly converts .cmu to .cal with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert CMU to CAL online?

If you only need to convert a few CMU files to CAL format, feel free to try our free online free online CMU to CAL converter — perfect for small batches with no installation needed!

How can I turn CMU files into CAL on my computer?

The best way to change CMUs to CALs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from CMU to CAL.

How can I automate CMU to CAL files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert CMU files to CAL using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line cmu to cal converter for batch processing.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthCopy EXIF dataConvert vector imagesChange image color space

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