Paper cutter

A paper cutter
1820s old style paper cutter
A safety (rotary) paper cutter
Large format paper cutter
Small format paper cutter, part of the Museum Europäischer Kulturen, Berlin, Germany

A paper cutter, also known as a paper guillotine or simply a guillotine, is a tool often found in offices and classrooms. It is designed to administer straight cuts to single sheets or large stacks of paper at once.