Convert vst to psd Online: vst2psd

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

Go to Tom's Editor

VST

Vista is an image format with extension VST.

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.