A device for accurately aligning the screw holes for installation of hidden hinges is disclosed. The jig comprises a jig body having a handle portion and a template portion. The template portion has a center hole for positioning a hinge cup drill hole in a cabinet door and an upper and lower offset hole for locating hinge plate mounting screw drill holes in a cabinet wall. An upper moveable arm is attached to the top end and a lower moveable arm is attached to the bottom end of the handle portion. Stopping means are provided for aligning the template portion along a vertical edge of the cabinet door or the cabinet wall.