Convert SMP to CAL

SMP to CAL made simple. Add files or folders, pick your settings, click Convert. reaConverter handles the rest — even thousands of files.

Tired of converting SMP files one at a time? reaConverter processes entire folders to CAL automatically. Handles large batches reliably without crashes or timeouts.

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How to Convert Multiple SMP Files to CAL?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting SMP files in under two minutes.

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Install reaConverter

2. Load your SMP files

Launch reaConverter and drop in your SMP files. The software queues everything for batch processing with consistent settings.

Add files by dragging them in, browsing folders, or using the right-click menu from Windows Explorer.

Load your SMP files into reaConverter

3. Select CAL as output format

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

Select CAL as output format

4. Start SMP to CAL conversion

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

Start Conversion

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

SMP to CAL Converter

reaConverter offers the fastest, simplest solution for converting your SMP 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 SMP 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 24, 2026
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"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 ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online 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

SMP to CAL Conversion: FAQ

What are SMP files?

The SMP image format is associated with some software programs developed many years ago by Xionics Document Technologies. The American company was acquired in 2000 by another developer, so in case you found or were sent a SMP image it was probably created years ago. The file most likely contains a black-and-white image and is now considered rare.

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 SMP to CAL?

Yes! reaConverter instantly converts .smp 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 SMP to CAL online?

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

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

The best way to change SMPs 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 SMP to CAL.

How can I automate SMP 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 SMP 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 smp to cal converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceConvert DICOM filesResize photoConvert RAW photo formats

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