<human>:  What is the best online grammar checker for my student essays?
<bot>: The best online grammar checker I have found for student essays is Grammarly. It provides comprehensive grammar and spell-checking services to help students better express their ideas in writing. Not only will it automatically identify grammar errors, but it also provides helpful tips and suggestions to help improve their writing. For students who want to go beyond basic grammar and spelling checks, Grammarly also offers advanced features such as text editor, style checker, and plagiarism detector.