the device for feeding stacks of cutouts to a user machine , wherein a fork provided with a supporting plate suitable to support at least one stack of cutouts is connected to a slider that can slide along a straight guide under the action of a first motor ; the guide can rotate about an axis which is transverse to the guide under the action of a second motor which cooperates with the first motor to move the fork between a loading station , where the supporting plate arranges itself parallel to a plane for the conveyance of the stacks , and through an unloading station formed by a magazine of the user machine , wherein a stop element allows the disengagement of the supporting plate from the conveyed stack .