Best 22 AI Grammar Checker AI Tools & Websites in 2025

AI Grammar Checker refers to an artificial intelligence tool designed to identify and correct grammatical discrepancies in body texts, such as reports, essays, articles and emails. This AI-based application effectively checks for punctuation errors, sentence structure, verb tense, and error-prone words. It also provides suggestions to improve writing and can even check for appropriate style and tone for specific writing genres.

• Spelling and Grammar Checking: Automatic detection of spelling and grammar errors.
• Style Correction: Suggestions for improving writing tone, clarity, and style.
• Error Explanations: Clear explanation of grammatical mistakes and tips for avoiding them in the future.
• Genre-Specific Writing: Understands the difference in writing style depending on genre or context.
• Multilingual Support: Support for grammar checking in multiple languages.

AI Grammar Checker is suitable for a wide range of users and industries. It can be extremely helpful for students to draft essays and assignments, for professionals drafting business emails and reports, for authors and writers working on their manuscripts, for editors reviewing content, and for non-native English speakers to improve their English writing skills.

AI Grammar Checker works by using sophisticated algorithms to identify common and rare grammatical errors. It compares the sentence structure and context with its internal database, which consists of numerous correctly written sentences and spotting inconsistencies. Once it identifies an error, it presents a recommendation for correction, often providing explanations to educate the user.

An AI Grammar Checker provides many advantages including accurate error detection, real-time correction suggestions, improvement in writing skills with comprehensive explanations, time-saving, multilingual support, and no human bias in error detection.