Convert KOA to JP2

Stop converting KOA files one by one. reaConverter processes entire folders to JP2 automatically — just drag, drop, and click Convert.

Online converters too slow for your KOA files? reaConverter works locally and handles unlimited batches. All processing runs locally on your PC, so your files stay private and secure.

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KOA to JP2
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How to Convert Multiple KOA Files to JP2?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

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Install reaConverter

2. Load your KOA files

Open reaConverter and add your KOA files. You can load individual files, entire folders, or even nested subfolders.

Drop your KOA files into the window or use File menu to browse and select folders.

Load your KOA files into reaConverter

3. Select JP2 as output format

Choose JP2 as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select JP2 as output format

4. Start KOA to JP2 conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your JP2 files in the output folder. Click 'Show converted files' to open it directly.

KOA to JP2 Converter

reaConverter offers the fastest, simplest solution for converting your KOA files into JP2 in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting KOA 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
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User Reviews

Average User Rating:
Last updated on January 25, 2026
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
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"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
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Jamal Bailey
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"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
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Jason P. Bailey
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"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.
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"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
Kenneth D. Carter
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"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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KOA to JP2 Conversion: FAQ

What are KOA files?

The KOA format is associated with Koala Paint or Koala Painter, a very basic drawing program used during the 1980s on the Koala Pad. The latter was an incipient form of graphics tablet which attached to some models of home computers that were popular at the time, including the Commodore 64 and Atari. The KOA format is currently considered archaic and rare.

What are JP2 files?

JP2 or JPEG 2000 is an improved version of JPEG, one of the most popular file formats for storing and transferring images. Compared to the latter, JP2 image files offer higher quality and smaller size images by using a different compression algorithm, which can be either lossy or lossless. JP2s are created using the JPEG2000 Core Coding application, but can also be obtained through conversion from other formats.

Can reaConverter convert KOA to JP2?

Yes! reaConverter instantly converts .koa to .jp2 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 KOA to JP2 online?

If you only need to convert a few KOA files to JP2 format, feel free to try our free online free online KOA to JP2 converter — perfect for small batches with no installation needed!

How can I turn KOA files into JP2 on my computer?

The best way to change KOAs to JP2s 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 KOA to JP2.

How can I automate KOA to JP2 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 KOA files to JP2 using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line koa to jp2 converter for batch processing.

What else can I do with reaConverter?

Set file dateConvert RAW formatsConvert CAD formatsSet picture bit depthConvert vector images

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