CAL Converter

Offline CAL converter with professional output. reaConverter keeps your files secure while you work.

CALConverter

How to Convert .cal Images in Bulk

1. Install reaConverter

Download reliable CAL conversion software to convert multiple .cal files and folders in one go.

2. Select CAL Files

Select CALs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load CAL files

3. Start Conversion

Click Convert to start the bulk conversion of all selected CAL images. The process will begin right away.
reaConverter - Start CAL conversion

Convert CAL on your PC

For quick and effortless CAL file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

Do more with your images

Converting CAL images for use in a workflow? Touch up, transform, apply editing and effects to your images during conversion.

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.

Image editing

User Reviews

Average User Rating:
Last updated on November 29, 2025
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"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
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
Satisfied Customer
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!"
James L.
James L.
IT Manager
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User

CAL images: Frequently Asked Questions

Can reaConverter open CAL files?

reaConverter fully supports the CAL image format – open, edit, and export CAL files to any other popular file format with ease.

How do I change CAL to another format?

reaConverter is a user-friendly tool for converting CAL files. Once installed on your computer, it allows you to convert all your .cal files at once with just a few clicks. You can even convert cal images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert CAL online?

If you only want to convert a few CAL images, you are welcome to try our free online CAL converter.

How can I turn CAL files on my computer to another format?

The best way to convert CAL images on your PC is to get 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.

How can I automate CAL files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert CAL files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line cal converter.

What else can I do with reaConverter?

Convert Gerber imagesCrop imagesConvert CAD formatsChange bit depthConvert GIS files

What formats can I convert a CAL file to?
What types of files can I convert to CAL format?

Discover more

Explore our efficient CAL file converter that saves you time and effort by converting multiple .cal files into different formats.
reaConverter software