To provide a desktop cutter capable of cutting a material to be cut without generating uncut remainders even if the material has a height likely to generate those.

The desktop cutter 1 is composed by: fixing a fence 14 having a surface abutting on the material W to be cut for positioning it on a material W-placeable base 2; and vertically, swingably supporting a circular saw 6 to which a saw blade 12 is rotatably supported, to a holder 5 erected at the back of the base 2. Further, a movable block (movable member) 15 having the surface abutting on the material is provided protrusibly forward from the abutting surface of the fence 14.