A bending machine for metal sheets, in particular a pivot bending machine, comprising: a machine frame; a clamping base, which is arranged on the machine frame, wherein on the clamping base a support surface is formed on which the metal sheet to be bent can be placed for processing; a blank-holder, which is arranged to be vertically displaceable on the machine frame and by means of which in cooperation with the clamping base the metal sheet placed on the clamping base can be fixed and which blank-holder on its front side has a blank-holder edge extending in the longitudinal direction of the bending machine; a bending tool, which is arranged on a front side of the clamping base and the blank-holder and by means of which a metal sheet clamped between the clamping base and blank-holder can be shaped; a support device, which is designed for supporting the metal sheet to be bent, wherein a support surface of the support device is arranged in a horizontal plane with the support surface of the clamping base, characterized in that, the support device comprises at least one first and one second support module with a first and a second support surface, wherein at least one of the support modules (17, 18) can be displaced horizontally in longitudinal direction of the bending machine and in this way a first gap running at right angles to the blank-holder edge can be adjusted between the two support modules (17, 18), and in that the support modules (17, 18) each have at least one first and one second support element (24, 25) with a second gap between the support elements (24, 25), which second gap is aligned parallel to the blank-holder edge, wherein at least one of the support elements (24, 25) can be displaced at right angles to the blank-holder edge so that the second gap can be adjusted in size and/or position. a machine frame; a clamping base, which is arranged on the machine frame, wherein on the clamping base a support surface is formed on which the metal sheet to be bent can be placed for processing; a blank-holder, which is arranged to be vertically displaceable on the machine frame and by means of which in cooperation with the clamping base the metal sheet placed on the clamping base can be fixed and which blank-holder on its front side has a blank-holder edge extending in the longitudinal direction of the bending machine; a bending tool, which is arranged on a front side of the clamping base and the blank-holder and by means of which a metal sheet clamped between the clamping base and blank-holder can be shaped; a support device, which is designed for supporting the metal sheet to be bent, wherein a support surface of the support device is arranged in a horizontal plane with the support surface of the clamping base, characterized in that, the support device comprises at least one first and one second support module with a first and a second support surface, wherein at least one of the support modules (17, 18) can be displaced horizontally in longitudinal direction of the bending machine and in this way a first gap running at right angles to the blank-holder edge can be adjusted between the two support modules (17, 18), and in that the support modules (17, 18) each have at least one first and one second support element (24, 25) with a second gap between the support elements (24, 25), which second gap is aligned parallel to the blank-holder edge, wherein at least one of the support elements (24, 25) can be displaced at right angles to the blank-holder edge so that the second gap can be adjusted in size and/or position.