The device (10) has an aligning unit (14) to align a plate-shaped workpiece (11) to a conveyor device (12). A format processing device (16) is provided for format machining of a small side surface (19) of the workpiece. A measuring device (18) is provided downstream to the format processing device to measure the plate-shaped workpiece. An evaluation unit (14) and/or the format processing device is adjusted in a direction, which is deflected from a conveyor direction. The evaluation unit comprises two displaceable gripper elements. An independent claim is also included for a method for machining plate-shaped workpieces.
