Convert obu to sun

Download and install the latest version of Filestar.
Right click on one or more Obu file(s) on your desktop and select Convert with Filestar.
Type convert to sun in the search box.
Press Convert.

What is the difference between .obu and .sun?

Name: AV1 OBU Video Stream; Sun Raster Graphic File
Extension: .obu; .sun
Format: Binary; Binary
Category: Video; 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: video/av1; image/x-sun-raster
Sample: sample.obu; sample.sun
Wikipedia: .sun on Wikipedia

Last updated October 3, 2026