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The World's Best Grammar Checker

Grammarly is an automated proofreader and your personal grammar coach. Correct up to 10 times more mistakes than popular word processors.
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  • 1.Find up to 10 times as many mistakes as other writing software.

  • 2.Receive detailed error explanation and correction suggestions.

  • 3.Avoid plagiarism and get citation suggestions.

  • 4.Receive personalized writing advice and track your progress.

  • Instantly find and correct over 150 types of grammatical mistakes

  • Improve word choice with context- optimized vocabulary suggestions

  • Avoid plagiarism by checking against over 8 billion documents

Get free 7-day trial
Trusted by
3,000,000+ People

Top 10 reasons you’ll love Grammarly

Grammarly’s patent-pending grammar checking technology reviews and improves your text, correcting grammar, spelling, word choice, and style mistakes with unmatched accuracy. Give Grammarly 60 seconds, and see what pesky grammar errors you missed in your text!
  1. Check Over
    150 Points of
    Grammar

    Lightning-fast, Grammarly scans your text for proper use of more than 150 advanced grammar rules, spanning everything from subject-verb agreement to article use to modifier placement.

  2. Improve
    Any Text

    Academic, professional, and creative writings all require unique styles of editing. Grammarly’s technology adapts to your writing needs, ensuring that no matter what your project may be, your grammar is impeccable.

  3. Context
    Optimized
    Synonyms

    Words can make an impact, or they can fall flat. Enhance your sentences with Grammarly’s word choice suggestions that optimize for the context of your document.

  4. Adaptive Spell
    Checker

    Correctly spelled words used in the wrong context mean embarrassing mistakes for you. Grammarly spots the erroneous use of lose/loose, affect/effect, lie/lay, there/their/they’re, and many more commonly confused words.

  5. Plagiarism
    Detection &
    Citations

    Grammarly finds unoriginal text before it gets you into trouble by checking for plagiarism against a database of over 8 billion documents. Grammarly not only brings borrowed texts to light, but also suggests citations.

  6. Find Errors
    That Microsoft®
    Word Can’t

    Grammatical mistakes that go unnoticed by popular word processors and other grammar checker programs are caught by Grammarly.

  7. Use Anywhere
    (and Everywhere!)

    As a web-based application, Grammarly is available from any browser, with no download required. Grammarly also integrates seamlessly with the Microsoft® Office Suite, including Word and Outlook.

  8. Improve Your
    Writing Skills

    Like an English tutor, Grammarly identifies your most common mistakes and helps you understand how to avoid them, ensuring you are constantly building your grammar skill set.

  9. Instant
    Results

    Deadlines aren’t a problem here. Grammarly instantly proofreads your text and pinpoints areas for improvement so you don’t have to worry about looking for a proofreading buddy when it’s crunch time.

  10. Fanatical
    Support

    We love making fantastic products and talking to our users about their experiences. Our support representatives are available 24/7 to answer any questions you have about Grammarly.

«Used @grammarly 2 proofread half of my doctoral proposal last night. An unbelievable tool worth checking out 4 anyone's academic writing!»

Tania Sterling writer

«Thank you! As a graduate student you have brought my GPA from an A to an A+. I have also won several research grants and scholarships because of your help.»

Amy Tucker Graduate student, BC, Canada