Cookie cutters are tools used to shape cookie dough into specific designs. They are typically made from metal, plastic, or silicone and come in various shapes, such as stars, hearts, and animals. By pressing a cookie cutter into rolled-out dough, bakers can create uniform cookies that are easy to decorate and serve. These tools are popular in baking, especially during holidays and special occasions. Using cookie cutters can make the baking process more fun and creative, allowing people to personalize their treats. They are also used in crafts and other activities, showcasing their versatility beyond just baking.