Convert grp to psd Online: grp2psd

You can use Tom's Editor to easily convert images from
Screen 2 .GRP to Adobe Photoshop .PSD.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

GRP

Screen 2 is an image format with extension GRP.

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.