Free Grammar Checker
Fix spelling, grammar, and punctuation in seconds, with a clear explanation for every correction. No sign-up needed.
Spelling, grammar, and punctuation
Catches typos, subject-verb agreement, wrong verb forms, missing commas, and commonly confused words like their, there, and they're.
Explanations, not just fixes
Every correction comes with a short explanation of what was wrong, so you learn the rule instead of repeating the mistake.
See every change
The corrected text highlights each fix, so you can review it at a glance before you copy it.
Built for non-native writers
Clear explanations make it useful for anyone writing emails, reports, or assignments in English as a second language.
Frequently asked questions
Is this grammar checker free?
Yes. You can check text above without an account (150 words per check, 5 checks a day). A free account gives you 1,000 words a day across all tools.
What kinds of mistakes does it find?
Spelling mistakes, grammar errors such as subject-verb agreement and verb tense, punctuation, and word-choice problems like confusing your and you're.
Does it explain the corrections?
Yes. Each correction includes a short explanation of the rule, which helps you avoid the same mistake next time.
Is my text stored?
Text you check without signing in isn't saved. When you're signed in, results are saved to your History, and you can delete them anytime.