The utility knife is one versatile kitchen tool that has multipurpose use. A utility knife is portable and performs tasks easily. A utility knife can also act as a paring knife, with all of its qualities you already know the question of what a utility knife is used for. A utility knife is used for chopping, slicing, and dicing. It can slice fruits, chop vegetables. It can be used for another delicate tasks such as carvings and paper cutting.