Convert CAT to DIS

Why upload sensitive CAT files to online converters? reaConverter processes everything locally — convert to DIS with zero cloud risk.

Manual CAT to DIS conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

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How to Convert Multiple CAT Files to DIS?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your CAT files

Launch reaConverter and load the CAT files you want to convert. Add a few files or thousands, batch processing handles them all.

Drag-and-drop CATs directly into reaConverter or use the folder browser to load entire directories.

Load your CAT files into reaConverter

3. Select DIS as output format

Set DIS as output format and select where to save your converted files. Customize quality settings if needed.

Select DIS as output format

4. Start CAT to DIS conversion

Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Start Conversion

Your converted DIS files will appear in the destination folder as soon as processing completes.

CAT to DIS Converter

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

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Do more with your files

Converting CAT 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 January 16, 2026
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
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
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
Sarah Lane
Satisfied Customer
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Roger Cook
Happy User
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
Jamal Bailey
Jamal Bailey
Satisfied Customer
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Jason P. Bailey
Non-Profit Coordinator

CAT to DIS Conversion: FAQ

What are CAT files?

The CAT file format is associated with Photomatix, a program specialized in merging multiple photographs for creating high-dynamic-range images (HDRI) and the turning them into low-dynamic-range (LDR). The CAT extension is considered rare and can be opened with a limited number of image viewers.

What are DIS files?

The DIS extension is associated with the DKB Ray-Tracer, a piece of software originally created by David Kirk Buck and Aaron A. Collins, which served as a predecessor for the POV Ray-Tracer. The latter software has the capacity to generate images from text-based scene descriptions and works on various platforms. Though fairly popular on PC/MS-DOS platforms at its release, the DIS format is now obsolete. It can, however, be viewed and converted to more accessible formats.

Can reaConverter convert CAT to DIS?

Yes! reaConverter instantly converts .cat to .dis 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 CAT to DIS online?

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

How can I turn CAT files into DIS on my computer?

The best way to change CATs to DISs 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 CAT to DIS.

How can I automate CAT to DIS 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 CAT files to DIS using the command prompt?

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

What else can I do with reaConverter?

Copy IPTC dataChange file creation dateConvert RAW filesConvert Gerber imagesCrop images

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