Grammarly makes sure everything you type is easy to read, effective, and mistake-free.
Instantly find and correct over 400 types of grammatical mistakes.
Detect plagiarism from 16 billion web pages and ProQuest's databases.
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Improve word choice with context-optimized vocabulary suggestions.
Compatible with Word™ & Outlook®.
Grammarly is the world’s most accurate grammar checker
Powerful grammar checking
Grammarly scans your text for proper use of more than 400 advanced grammar rules, spanning everything from subject-verb agreement to article use to modifier placement.
Contextual spelling checker
Correctly spelled words used in the wrong context mean embarrassing mistakes for you. Grammarly spots erroneous use of lose/loose, affect/effect, lie/lay, there/their/they’re, and many other commonly confused words.
Words can make an impact, or they can fall flat. Enhance your sentences with Grammarly’s context-optimized word choice suggestions to instantly improve the readability of your document.
Writer, Toronto, Canada
Grammarly out-performed Word’s grammar and spell-checker by far.
Grammarly is trusted by students, professional writers, business people, bloggers, and people who just want to write better. No matter what your writing situation is, Grammarly adapts to your needs, giving you the confidence of mistake-free writing every time you write.