Online SUN Viewer - View Sun Raster Images in Your Browser
Loading viewer...
What is a SUN file?
SUN (Sun Raster) is a bitmap image format originally used on Sun Microsystems workstations and SunOS. It supports monochrome, grayscale, and color images.
While largely obsolete, SUN files are still found in legacy UNIX systems and archives. Our Online SUN Viewer helps you view these historical files.
How to View SUN Files Online
1
Upload SUN
Drag and drop your .sun or .ras file into the viewer.
2
View
The image will be displayed instantly.
3
Save
Download the image as a standard PNG file.
Frequently Asked Questions
What is a SUN file?
It is the native bitmap format for the SunOS operating system and Sun workstations from the 1990s.
How do I open a SUN file on Windows?
Standard Windows viewers don't support it. Use our online viewer or tools like XnView or IrfanView.
Can I convert SUN to PNG?
Yes, you can easily convert the SUN bitmap into a widely supported PNG image using this tool.