Grammar checking is the process of reviewing written text to identify and correct errors in grammar, punctuation, and spelling. This can be done manually by a person or automatically using software tools. These tools analyze the text and provide suggestions for improvements, helping writers produce clearer and more professional content. Many word processing programs and online platforms offer built-in grammar checking features. These tools can catch common mistakes, such as subject-verb agreement and sentence fragments, making it easier for users to enhance their writing skills. Overall, grammar checking is a valuable resource for anyone looking to improve their written communication.