A proofreader is a professional who reviews written material, such as documents, articles, manuscripts, or other text, to check for errors and ensure accuracy in grammar, punctuation, spelling, and style. Their primary goal is to identify and correct mistakes to improve the overall quality and clarity of the written content. Proofreaders often work closely with editors and writers to maintain consistency in language usage, formatting, and adherence to style guides or specific publication requirements. They have a keen eye for detail, excellent language skills, and a thorough understanding of grammar and punctuation rules. Additionally, proofreaders may use various tools and techniques, such as proofreading marks, editing software, and style manuals, to enhance the readability and professionalism of the text they review.