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ATK Converter

Offline ATK converter with professional output. reaConverter keeps your files on your machine while you work.

4.8

Over 25 years of experience

Your files never leave your PC

Read what our users say →

How to Convert .atk Files in Bulk

1. Install reaConverter

Download reliable ATK conversion software to convert multiple .atk files and folders in one go.

2. Select ATK Files

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

3. Start Conversion

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

Step by step

See It in Action

For quick and effortless ATK 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.

Extra Tools

Do more with your files

Converting ATK files for use in a larger project? 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.

Image editing

User reviews

From those who tried it

Average User Rating:
Last updated on July 29, 2026
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 drowning in mismatched file formats until I found reaConverter. The one-click conversion and editing tools simplified everything, and the pricing is reasonable for small businesses. Now I spend less time troubleshooting and more time growing my brand!
Emily K.
Emily K.
E-commerce Entrepreneur
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.
David R.
IT Solutions Architect
I deal with hundreds of images daily, and reaConverter has been a lifesaver. The Watch Folders feature lets me automate file conversions without lifting a finger. I set up a folder for incoming files and it automatically resizes, renames, and converts them into the formats I need. It's like having a personal assistant!
Sarah T.
Sarah T.
Graphic Designer
An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness.
Elena Anderson
Elena Anderson
Happy User
The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!
DeShawn M. Thompson
DeShawn M. Thompson
Happy User

Questions & Answers

ATK files: Frequently Asked Questions

Can reaConverter open ATK files?

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

How do I change ATK to another format?

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

Can I convert ATK online?

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

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

The best way to convert ATK files 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 ATK.

How can I automate ATK 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 ATK 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 atk converter.

What else can I do with reaConverter?

Change format settingsCopy metadata (EXIF, IPTC)Convert Gerber filesChange color spaceConvert vector files

What formats can I convert a ATK file to?

Discover More

Beyond ATK conversion

Convert .atk files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.

Free trial · Windows 10/11 · v8.0.254 · Files never leave your computer

reaConverter software