World's Most Accurate Grammar Checker

  • Grammarly is an automated proofreader and your personal grammar coach. Check your writing for grammar, punctuation, style and much more.

    4,683,745 documents improved

    Key Product Benefits

    • Instantly proofread your text and correct
      over 250 types of errors.
    • Enhance your vocabulary usage with
      context-optimized suggestions.
    • Avoid plagiarism by checking for originality and generating citations.
  • Instant

    Grammarly will analyze your document in real time for over 250 points of grammar, plagiarism, word choice and much more.

    Receive a detailed report of issues and suggestions for improvement.

  • Using Grammarly Is Easy

    • Copy and paste a text into the editor. Press “Start Review,” then wait for the review process to finish.
    • Get a detailed report highlighting mistakes and other issues.
    • Review a list of issues and suggestions for improvement.
  • Grammarly vs. Microsoft® Word

    Example mistakes caught only by Grammarly

    Contextual Spelling The philosopher did not speak allowed often.
    Modifier Presenting your ideas effectively improves communication.
    Preposition Be careful for the ice, the steps are slippery!
    Punctuation "Let's go outside" said the boy.
    Quantifier Do you want more or less apples?
    • Review this sentence for commonly confused words.

      Ensure you do not confuse similar words with different meaning.

      Suggested correction:
      The philosopher did not speak aloud often.

    • Review this sentence for squinting modifiers.

      The modifier “effectively” may be defining either clause in your sentence and is therefore a squinting modifier. Make sure it is clear which clause is being modified by this word.

    • Review this sentence for preposition misuse.

      Your sentence may use “for” after “to be careful”. Please re-read your sentence and ensure you have used the correct preposition.

    • Review this sentence for comma use.

      Ensure there is a comma between direct quotes and the attributive tag. The attributive tag, (“said”), should be separated from the quote by a comma; consider inserting one.

    • Review this sentence for quantifier usage.

      The quantifier “less” may not be appropriate for the noun which it modifies. Clearly identify the noun as countable or uncountable, and consider changing the quantifier, as appropriate.

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Testimonials on Twitter

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  • Liz Ifeoma Akano “@grammarly That is an awesome tool. I will start using it in second semester and will be more than glad to share it with my colleagues.”
  • Rhonda Hurwitz “Used Grammarly to check website copy for grammar, spelling etc. Didn't expect much from an automated proofreader, but it's good. Recommend!”
  • Cassandra Lewis “A great piece of software for aspiring writers – correct errors in your written work with grammarly —”
  • Renee Hendricks “Grammarly – highly recommended, includes free plagiarism checking, help w/essay editing & English writing:”

Usage Examples

  • Students and education professionals
    Proofing essays or academic papers
  • Professionals
    Checking emails, memos, and proposals
  • English learners and native speakers
    Improving texts and writing skills
  • Authors and writers
    Reviewing editorial copy
  • Job applicants
    Editing resumes and cover letters