Convert sun to psd Online: sun2psd

You can use Tom's Editor to easily convert images from
SUN Rasterfile .SUN to Adobe Photoshop .PSD.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

SUN

SUN Rasterfile is an image format with extension SUN.

PSD

PSD is in internal image format of Adobe Photoshop. It can store all the features offered by Photoshop, like layers and paths. Images can be compressed or not.