Opening a SUL File

The SUL file type is primarily associated with GFA Ray-Trace.

SUL	File extension: SUL
	File type:	GFA Ray-Trace files

What is a SUL file?

SUL files mostly belong to GFA Ray-Trace. Use our "Online SUL File Viewer" below to open and view your SUL file directly in your browser.

How to open SUL files

You need a suitable software like GFA Ray-Trace to open a SUL file. You need a suitable software like GFA Ray-Trace to open a SUL 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 SUL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SUL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SUL File Viewer

Choose your .sul file to view this image

or drag and drop it here

Online File Viewer

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

If you want to extract texts from SUL file or capture a screenshot, you can use our free Online SUL File Viewer:

To do so, click the "Choose your .sul file to view this image" button above.
Your SUL file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Download the converted file.

What to Do When a .SUL File Fails to Open

SUL files can come from different programs and aren't universally openable.

Identify the Source: These files often come from retro computing or 3D graphics workflows, suggesting an image from the obsolete GFA Ray-Trace software.
Check the Header: Inspect the first bytes in a text editor or hex viewer.
- Readable XML or JSON suggests a configuration file.
- "PK" indicates a standard ZIP archive.
- Unreadable binary data or specific magic bytes often imply an uncompressed bitmap image.
Use the Original Software: The original program is usually required. Try using GFA Ray-Trace, XnView, or reaConverter, and ask the sender if you are uncertain.
Use this Webpage: Drag and drop your file into our viewer above to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for SUL File Extension

Related files:

bef, g32

Related links:

XnView

Mime type:

application/octet-stream

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.sul, FileType: GFA Raytrace, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

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

a sul GFA Ray-Trace file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with SUL files

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