A universal belt clip for mobile devices. The belt clip includes two sets of hooks engaged on a top and a bottom edge of a mobile device. A body of the belt clip is extensible and selectively positionable to provide a tension force between the sets of clips and to retain the belt clip in engagement with the mobile device. The hooks are configured to receive mobile devices and cases thereon in a variety of thicknesses and the extensibility of the body is configured for adaptation to mobile devices of varied lengths. The hooks are pivotably coupled to the body to ease installation on the mobile device and to automatically adapt to a particular mobile device or case configuration.