Convert jbig to psd Online: jbig2psd

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

Go to Tom's Editor

JBIG

JBIG image is an image format with extension JBIG.

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.