Convert ATK to QOI

By using our efficient and user-friendly ATK to QOI converter, you can save yourself from the tiresome process of manually converting numerous .atk files into qoi format for hours.

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

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ATK to QOI
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How to Convert Multiple ATK Files to QOI?

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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2. Load your ATK files

Start reaConverter and load all the .atk files you intend to convert into .qoi. The software supports multiple ATK conversion and processes all files locally on your computer.

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

Load your ATK files into reaConverter

3. Select QOI as output format

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

Select QOI as output format

4. Start ATK to QOI conversion

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

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

ATK to QOI offline

reaConverter offers the fastest, simplest solution for converting your ATK files into QOI in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting ATK 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 April 23, 2025
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
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
Healthcare IT
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Satisfied Customer

ATK to QOI Conversion: FAQ

What are ATK files?

ATK is a raster image file format associated with Andrew Toolkit, a set of tools for distributing documents that contain embedded objects. The format was developed as part of the Andrew Project, launched at the Carnegie Mellon University in the United States, in the early 1980s. The project resulted in the development of several other types of computing infrastructure tools too, and was considered an important step for making such tools more accessible at the time.

What are QOI files?

QOIQOI (Quite OK Image) is a fast, lossless image format designed as a simpler alternative to PNG. It offers similar compression quality but with much faster encoding/decoding speeds, making it ideal for applications where performance matters.

Can reaConverter convert ATK to QOI?

Yes! reaConverter instantly converts .atk to .qoi 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 ATK to QOI online?

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

How can I turn ATK files into QOI on my computer?

The best way to change ATKs to QOIs 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 ATK to QOI.

How can I automate ATK to QOI 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 ATK files to QOI using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line atk to qoi converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceConvert GIS filesConvert RAW photo formatsChange format settings

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