Humanize AI Text& Grammar Checker
Ensure your writing is mistake-free, polished, and ready for any audience.
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Free Grammar Checker
Humanize AI's free online AI grammar checker tool is built to help professionals review text for grammar, spelling, and punctuation errors. Whenever you need to review your writing—or grammar check emails, documents, reports, and more—Humanize AI makes editing painless.
AI-powered
Get fast, accurate, and helpful corrections using advanced AI models.
Comprehensive
Fix grammar, spelling, punctuation, and more with a single click.
Multidialectal
Detect and fix errors across different dialects like US, UK, and Australian English.
Multilingual
Correct grammar in 6+ different languages including English, Spanish, and French.
One grammar checker to rule them all
Correct grammar
Should you use "effect" or "affect"? What's the difference between "their," "there," and "they're"? There's so much to remember when it comes to proper grammar. Luckily, Humanize AI has your back with the best online grammar checker out there—and it's free!
Correct spelling
Humanize AI corrects both misspelled and misused words, so you'll never have to worry about pesky spelling rules or homophones again.
Correct punctuation
What's a comma splice? When should you use a semicolon? Humanize AI doubles as a punctuation checker, helping you articulate your ideas clearly.
Turn a grammar check into a learning experience
Every writer's background is different. Some of us took great writing courses, while others learned through trial and error. When Grammar Checker flags mistakes in your writing, it visually brings these issues to your attention, helping you learn and grow into a better, more compelling writer.
Common Errors We Fix
| Topic | Wrong | Right |
|---|---|---|
| Subject-verb agreement | My mom like pizza and tacos. | My mom likes pizza and tacos. |
| Word misuse | The affect of this change is unclear. | The effect of this change is unclear. |
| Comma splices | First I went to the store, I went to the library. | First I went to the store, and then I went to the library. |
| Singular vs. plural | Four pets found new home today. | Four pets found new homes today. |
| Consecutive nouns | I need to go to the instruments repair shop. | I need to go to the instrument repair shop. |
Humanize AI has what you need
Humanize AI offers you top-notch tools for perfecting your writing, from our Humanizer and AI Detector to our Grammar Checker. We even help with specific dialect variants like US and UK English.