Opening an ST4 File

The ST4 file type is primarily associated with SBIG CCD Camera ST-4.

ST4File Extension ST4
File extension: ST4
File type:  SBIG CCD Camera ST-4 files

What is an ST4 file

ST4 files mostly belong to SBIG CCD Camera ST-4. Bitmap Santa Barbara Instruments Astronomical Image?

How to open an ST4 file

You need a suitable software like SBIG CCD Camera ST-4 to open an ST4 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ST4 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ST4 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ST4 File Viewer

Choose your .st4 file to view this image

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How to extract texts from ST4 files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from ST4 file or capture a preview screenshot using our online ST4 file viewer:
  1. Just click the "Choose your .st4 file to view this image" button on this page.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Your file will be converted and downloaded.

Programs that open and convert ST4 files:

  1. SBIG CCD Camera ST-4
    See the previous paragraphs to learn more about the main application.
  2. Spice
  3. Studio (400 Project File) by Pinnacle Systems, Inc.

Technical Data for ST4 File Extension

Related files:
Related links:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: GraphicsConverterPro.st4, FileType: SBIG CCD camera ST-X, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: CCDSoft_File
EXEFile: %ProgramFiles%\SOFTWARE BISQUE\CCDSOFT VERSION 5\CCDSOFT.EXE

ProgramID: CCD_Image
EXEFile: %ProgramFiles%\Diffraction Limited\MaxIm DL 3\MaxIm_DL.exe


an st4 SBIG CCD Camera ST-4 file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with ST4 files

  • Associate the ST4 file extension with the correct application.
  • Update your software that should actually open SBIG CCD Camera ST-4 files. Because only the current version supports the latest ST4 file format. Search, therefore, e.g. on the manufacturer website after an available SBIG CCD Camera ST-4 update.
  • To make sure that your ST4 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .ST4 file online - secure, fast, and no downloads needed.
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