This grammar checker uses rule-based detection to find common English grammar errors, spelling mistakes, and style issues. It checks for subject-verb agreement, article usage, punctuation, comma splices, double negatives, and more.
All processing happens locally in your browser β no data is sent to any server. While it can't catch every error like a professional AI tool, it's great for quick proofreading and catching common mistakes.
Note: This is a rule-based checker and may not catch all errors. For important documents, please use a professional proofreading service.
It detects subject-verb agreement, article (a/an/the) misuse, comma splices, double negatives, commonly confused words (their/there/they're, your/you're), passive voice overuse, spelling errors, and more.
No β this is a rule-based checker, not an AI-powered one. It's great for basic proofreading but won't catch subtle contextual errors. For important writing, consider professional tools.
Yes. Everything runs in your browser. Nothing is sent to any server.