The present disclosure relates to a separating device for severing at least one strap, in particular a plastic strap, the separating device having a blade with an edge for severing the at least one strap, and it being possible for the separating device to be connected to a strap end connecting device, the strap end connecting device having an assembly which has a heating element, it being possible for the blade to be connected to that assembly of the strap end connecting device which has the heating element. In addition, the present disclosure relates to a strap end connecting device for a strapping system having a separating device of this type. In addition, the present disclosure relates to a strap end connecting device for a strapping system having a strap end connecting device of this type.