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ATK Converter
Offline ATK converter with professional output. reaConverter keeps your files on your machine while you work.
How to Convert .atk Files in Bulk
1. Install reaConverter
2. Select ATK Files
3. Start 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.
User reviews
From those who tried it
Average User Rating:Last updated on June 26, 2026
Questions & Answers
ATK files: Frequently Asked Questions
What are ATK files?
Developed as part of the Andrew Project introduced at Carnegie Mellon University in the early 1980s, ATK is a type of raster image file format linked to Andrew Toolkit. In addition to enhancing accessibility to tools for distributing documents embedded with objects, the venture led to the generation of various other computing infrastructure tools, marking a noteworthy milestone at the time.
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 images 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 700+ other formats, including CAD, medical imaging, and GIS.
