Convert BM to CAL

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

reaConverter is a standalone software program that allows you to convert multiple files from .bm file format to .cal format.

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How to Convert Multiple BM 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 BM files

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

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

Load your BM 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 BM 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.

BM to CAL Converter

reaConverter offers the fastest, simplest solution for converting your BM 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 BM 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 23, 2025
"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."
⭐⭐⭐⭐⭐
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!"
⭐⭐⭐⭐⭐
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!"
⭐⭐⭐⭐⭐
Mark T.
Satisfied Customer
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
⭐⭐⭐⭐⭐
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
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
Satisfied Customer

BM to CAL Conversion: FAQ

What are BM files?

The BM file format represents a bitmap image used in the X11 version of the X Windows operating system. BM files contain screen captures and are not necessarily compatible with other versions of X Windows or with regular image viewers. Moreover, their size can be very large, so the best option is to convert them to a more accessible image format.

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 BM to CAL?

Yes! reaConverter instantly converts .bm 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 BM to CAL online?

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

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

The best way to change BMs 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 BM to CAL.

How can I automate BM 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 BM 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 bm to cal converter for batch processing.

What else can I do with reaConverter?

Convert RAW filesCopy metadata (EXIF, IPTC)Convert Gerber filesCrop imagesChange file creation date

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