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ST6 Converter
Need to convert ST6 files to other formats? reaConverter does it in batch. No file limits, no watermarks, no internet required.
How to Convert .st6 Files in Bulk
1. Install reaConverter
2. Select ST6 Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless ST6 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 ST6 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
ST6 files: Frequently Asked Questions
What are ST6 files?
The ST6 format is part of a group of extensions called Santa Barbara Instruments Astronomical Images, also including ST5, ST7, ST8 and STX. All these types of files represent RAW images created using the SBIG CCD ST-X camera. This is a specialized brand used in some areas of astronomy, medical imaging or other scientific and industrial domains with similar needs.
Can reaConverter open ST6 files?
reaConverter fully supports the ST6 file format – open, edit, and export ST6 files to any other popular file format with ease.
How do I change ST6 to another format?
reaConverter is a user-friendly tool for converting ST6 files. Once installed on your computer, it allows you to convert all your .st6 files at once with just a few clicks. You can even convert st6 images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert ST6 online?
If you only want to convert a few ST6 files, you are welcome to try our free online ST6 converter.
How can I turn ST6 files on my computer to another format?
The best way to convert ST6 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 ST6.
How can I automate ST6 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 ST6 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 st6 converter.
What else can I do with reaConverter?
Convert Gerber imagesChange image color spaceConvert PDFWatermark imagesConvert CAD formats
What formats can I convert a ST6 file to?
Discover More
Beyond ST6 conversion
Convert .st6 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.
