What are the benefits of using a spell checker? How does it help improve writing? Spell checkers can be a great tool for improving writing. They can help catch typos and other common mistakes, as well as suggest alternate words for a better fit. They can also help improve grammar and sentence structure. Spell checkers can also help with unfamiliar words and phrases, as well as help to ensure accuracy in spelling and punctuation. By using a spell checker, writers can make sure that their work is as professional and accurate as possible.