Split sun into grid

Download and install the latest version of Filestar.
Right click on one or more Sun file(s) on your desktop and select Convert with Filestar.
Type split into grid in the search box.
Press Split.

What is .sun?

Name: Sun Raster Graphic File
Extension: .sun
Format: Binary
Category: Raster Image
Developer: Sun Microsystems
Description: Bitmap image generated by a Sun Microsystems workstation; native graphic format used by the Sun Unix operating system; uses a standard image format that can be read by several graphics programs.
MIME Type: image/x-sun-raster
Sample: sample.sun
Wikipedia: .sun on Wikipedia

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Last updated October 3, 2026