Convert SR to CAL

The quick and simple way to convert SR to CAL files is to use a quality batch conversion software, such as reaConverter.

reaConverter offers offline file conversion between numerous formats, including SR to CAL, plus additional image editing tools for enhanced file preparation.

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How to Convert Multiple SR 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 SR files

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

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

Load your SR 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 SR 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.

SR to CAL Converter

reaConverter offers the fastest, simplest solution for converting your SR 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 SR 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
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
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Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
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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."
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Marcus White
Healthcare IT
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
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David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
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Kenneth D. Carter
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
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Satisfied Customer

SR to CAL Conversion: FAQ

What are SR files?

SR is part of a group of formats called Sun Raster Images, developed by Sun Microsystems for use on their UNIX platforms. Similar formats include RAST, RAS and SUN. SR is not among the most popular in the group and might be supported by a limited number of image viewers and image processing programs.

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 SR to CAL?

Yes! reaConverter instantly converts .sr 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 SR to CAL online?

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

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

The best way to change SRs 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 SR to CAL.

How can I automate SR 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 SR 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 sr to cal converter for batch processing.

What else can I do with reaConverter?

Convert vector imagesConvert picture color spaceConvert RAW photo formatsConvert GIS filesConvert DICOM images

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