Convert ST5 to PCT

The quick and simple way to change your ST5 into PCT files is to use a quality piece of software, such as reaConverter.

reaConverter is a fast offline ST5 to PCT converter. Whether you need to convert hundreds or thousands of ST5 files, reaConverter can handle it all.

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How to Convert Multiple ST5 Files to PCT?

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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Install reaConverter

2. Load your ST5 files

Start reaConverter and load all the .st5 files you intend to convert into .pct. The software supports multiple ST5 conversion and processes all files locally on your computer.

Select ST5s from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your ST5 files into reaConverter

3. Select PCT as output format

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

Select PCT as output format

4. Start ST5 to PCT conversion

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

Screenshot

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

ST5 to PCT Converter

reaConverter offers the fastest, simplest solution for converting your ST5 files into PCT in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting ST5 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

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Last updated on May 24, 2025
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ST5 to PCT Conversion: FAQ

What are ST5 files?

The ST5 extension is attached to RAW images shot with the ST-X model of SBIG CCD cameras. The format is also known as Santa Barbara Instruments Astronomical Image and SBIG represents a brand of specialized imaging cameras, mostly used in astronomy, color photometry, medical imaging and a few other scientific and industrial sectors. As part of these niche uses, ST5 images are considered rare and are probably difficult to open using regular image viewers.

What are PCT files?

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.

Can reaConverter convert ST5 to PCT?

Yes! reaConverter instantly converts .st5 to .pct 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 ST5 to PCT online?

If you only need to convert a few ST5 files to PCT format, feel free to try our free online free online ST5 to PCT converter — perfect for small batches with no installation needed!

How can I turn ST5 files into PCT on my computer?

The best way to change ST5s to PCTs 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 ST5 to PCT.

How can I automate ST5 to PCT 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 ST5 files to PCT using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line st5 to pct converter for batch processing.

What else can I do with reaConverter?

Set manual file dateChange format settingsChange DPIConvert Gerber filesCrop image

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