Convert yjk to psd Online: yjk2psd
You can use Tom's Editor to easily convert images from
Screen 12 .YJK to Adobe Photoshop
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Screen 12 is an image format with extension YJK.
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.