A proofreading tool is a software application designed to help users identify and correct errors in written text. These tools typically check for grammar, spelling, punctuation, and style issues, making it easier for writers to produce clear and polished documents. Many proofreading tools also offer suggestions for improving sentence structure and word choice. Some popular proofreading tools include Grammarly, Hemingway Editor, and ProWritingAid. These tools can be used by students, professionals, and anyone who wants to enhance their writing skills. By providing real-time feedback, proofreading tools help users learn from their mistakes and improve their overall writing quality.