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Converting J2K to PCT

J2K represents an upgrade of the JPEG format, including more features, such as supporting transparency and alpha channel, or lossless compression. J2K is part of a larger pack of improved JPEG extensions, known as JPEG2000, together with formats such as J2C, JPX, JPM or JP2. Most of these formats are compatible with mainstream image viewers, but do not enjoy the popularity of JPEG.

PCT is an image file format associated with Macintosh QuickDraw, a graphics program developed in the 1980s as part of the Apple Macintosh operating system. The initial version of the format, called PICT 1, could store 8 colors, while the later developed PICT 2 supported 24 and 32-bit color images. In recent years, the format has decreased in popularity, being gradually replaced by more versatile formats.

So, how to change J2K into PCT?

The quick and simple way to handle your files is to get a quality piece of software, such as reaConverter. Although it is fast, this software is extremely efficient in managing a wide range of conversions. As you will soon realize, reaConverter will help you avoid spending countless hours trying to figure out how to convert J2Ks. But at the same time, it will allow you to apply a wide range of editing options.

Download and Install reaConverter

reaConverter is quick to download, install and launch, and you don't need to be an IT specialist in order to understand in a few minutes how it operates.

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Install reaConverter

Load J2K Files

Start reaConverter and load all the .j2k files you intend to convert into .pct because, as opposed to most free online converters, reaConverter supports batch conversion. So you can save the time and energy you would lose with doing repetitive operations.

Select J2Ks from a folder or by drag-and-dropping them directly into the reaConverter window.

Choose Output Folder

Go to the Saving options tab and decide where you want to save new .pct files. You can also spend a few more moments to apply additional editing to the images prepared for conversion.

Select PCT as Output Format

Then pick the PCT as output format. To help you do this, a series of buttons is conveniently placed at the bottom of the reaConverter window, so you can simply press on the one you need or click Plus button to add new options.

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

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Video tutorial

Command-line interface

Advanced users can convert J2K to PCT via command-line interface in manual or automated mode. You are welcome to contact our technical support when you have any questions about reaConverter.

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Highly efficient batch J2K to PCT converter that makes it easy to handle huge number of files and folders in a few simple operations.

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