Free Online Grammar Checker
Catch grammar, punctuation and capitalization mistakes, get readability scores and polish your writing in seconds.
Improve your writing in 3 steps
Paste your text
Add an essay, email, blog post or any paragraph you want to polish.
See every issue
Issues are grouped with a short explanation and a one-click fix.
Check readability
Your readability score and sentence length help you write clearly.
Grammar checker questions
Is this grammar checker free?
Yes. It is 100% free to use, with no sign-up and no word limit.
What does it check?
Repeated words, common mistakes such as "could of" and "alot", missing apostrophes, capital letters, spacing around punctuation, repeated punctuation and very long sentences.
What does the readability score mean?
It is a Flesch Reading Ease score from 0 to 100. Higher scores mean text is easier to read. Around 60 to 70 suits most readers.
Is my text stored?
No. All checking happens in your browser and your text is not saved on our site.