Convert rgb to psd Online: rgb2psd

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

Go to Tom's Editor

RGB

Silicon Graphics RGB is an image format with extension RGB.

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.