Free AI Punctuation Checker
Precise punctuation instantly makes you sound clear and professional. Check your punctuation, grammar, and more in our free punctuation checker.
Make Your Point With Punctuation
Punctuation marks are critical to strong, effective communication. When you want to show the relationships between ideas or indicate a pause for emphasis, punctuation marks are necessary. They can even change your tone! These resources will help you better understand the rules of commas, colons, and more.
More Punctuation Rules
Read all about the most common and rare punctuation marks, from question marks to em dashes and parentheses to interrobangs.
How Grammarly Can Help
Grammarly is the AI writing partner that supports you in any communication task, on any device. When you write more effectively, you work more effectively. Go beyond one-note spell checkers and discover how Grammarly helps at every stage of writing—from initial ideas to final touches.
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Frequently Asked Questions
How does Grammarly’s punctuation checker work?
Grammarly's AI analyzes your writing in real time to detect and fix missing and misused punctuation marks.
Where can I use Grammarly’s punctuation checker?
Grammarly's punctuation checker works in your browser and across all of your favorite desktop apps. You can even use it on your phone.
How is Grammarly’s punctuation checker different from my built-in word processors?
Standard punctuation, grammar, or spell checkers can catch mistakes like a missing period or comma, but Grammarly goes beyond only fixing mistakes. It catches inconsistencies in style and logic too, like punctuating dates, avoiding comma splices, and correctly hyphenating adjectives. When you get these things right, your writing is not merely correct, it's clear and coherent.
What are the 14 punctuation marks, and how are they used?
The fourteen punctuation marks most commonly used in English are periods, question marks, exclamation points, commas, colons, semicolons, dashes, hyphens, brackets, braces, parentheses, apostrophes, quotation marks, and ellipses. Read about how they can each be used in this guide.
What are some of the most common punctuation mistakes people make?
Misplaced commas are one of the most frequent punctuation mistakes, even among experienced and professional writers. Read our guide to learn the grammar rules of the versatile comma and how to get it right.
What other writing feedback does Grammarly offer?
Grammarly can help you jump-start ideas or polish any message or document. Grammarly offers generative AI and a full range of writing feedback, with real-time suggestions for clear phrasing, vocabulary, tone, and more.
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