Convert CAL to RIFF

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

reaConverter is a fast offline CAL to RIFF converter. Whether you need to convert hundreds or thousands of CAL files, reaConverter can handle it all.

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CAL to RIFF
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CALRIFF

How to Convert Multiple CAL Images to RIFF?

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. At the same time, it will allow you to apply image editing options during conversion.

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Install reaConverter

2. Load your CAL files

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

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

Load your CAL files into reaConverter

3. Select RIFF as output format

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

Select RIFF as output format

4. Start CAL to RIFF conversion

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

Screenshot

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

CAL to RIFF Converter

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

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Do more with your images

Converting CAL images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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Image editing

User Reviews

Average User Rating:
Last updated on June 02, 2025
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
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"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
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"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."
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Paul Baker
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"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
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"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."
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CAL to RIFF Conversion: FAQ

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.

What are RIFF files?

The Resource Interchange File Format RIFF is a structured multimedia container format developed through a collaboration between Microsoft and IBM in 1991. As an adaptation of the Electronic Arts Interchange File Format (IFF), RIFF implements a tagged chunk architecture where each data segment contains a 4-character identifier, 32-bit size field, and payload data. This design enables hierarchical organization of heterogeneous multimedia streams while maintaining platform-independent data representation through strict little-endian byte ordering.

Can reaConverter convert CAL to RIFF?

Yes! reaConverter instantly converts .cal to .riff 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.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert CAL to RIFF online?

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

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

The best way to change CALs to RIFFs 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 CAL to RIFF.

How can I automate CAL to RIFF 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 CAL files to RIFF using the command prompt?

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

What else can I do with reaConverter?

Change format settingsChange DPICopy metadata (EXIF, IPTC)Convert Gerber filesCrop image

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