Free Online Grammar Checker

Ensure your writing is mistake-free with the help of this online grammar checker. Paste your text or start typing below to pinpoint grammatical errors, spelling mistakes, and
punctuation inaccuracies.
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It’s fast and free. Finish checking your text and create an account to get:
  • Tone and clarity insights
  • Tips on how to engage readers
  • Word choice and inclusive language guidance
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The Number One Grammar Checker Does So Much More

Grammarly cleans up your writing by finding grammatical mistakes, spelling errors, and typos, but it does more than provide an online grammar check. With Grammarly Pro, you can access all grammar-checker feedback for your writing and get advanced suggestions that help you improve your writing skills over time.

Instant proofreading

Polish your writing with suggestions that help you quickly fix grammatical mistakes, spelling errors, and punctuation mishaps.
Grammarly corrects your usage of "less" to "fewer"
Grammarly suggests edits for conciseness.

Clarity improvements

Ensure your message is easy to understand, with suggestions that make your writing clearer and more concise.

Tone suggestions

Build stronger relationships and drive projects forward with tone recommendations that help your words be well received.
Grammarly rephrases your text to make you sound more confident
Grammarly improves the fluency of your writing.

Fluency suggestions

Get writing feedback tailored to your language background.

Easy paraphrasing

Quickly distill information and find new ways to simplify your own or others’ writing with generative AI paraphrasing and rewriting.
Grammarly rewrites your text with simple prompts.

Writing Assistance in
All the Right Places

Grammarly works on 500,000+ websites, apps, and browsers across desktop and mobile devices, so you can improve your writing wherever you type.
Slack, ZenDesk, SalesForce and Mail logo

Mac & Windows

Write confidently across your favorite desktop apps and websites, including Microsoft
Word, Gmail, and Slack.


Learn more →
Chrome, Safari, Firefox, GoogleDocs logos

Internet browsers

Get advanced writing support in Google Docs and other sites on Chrome, Safari, Firefox, and Edge.



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LinkedIn, X, Text, Chat logos

Mobile

Communicate confidently on the go with Grammarly whether you're texting, emailing, or posting to social media.

Learn more →

Make Your Writing Exceptional
With Grammarly Pro

To ensure your writing is impressive, you need to do more than use a sentence checker to correct grammatical mistakes. Grammarly Pro helps your words stand out by providing advanced suggestions to transform your writing so you can better meet your professional or academic goals.
For Individuals

Free

Basic writing suggestions and tone detection.

  • Grammar
  • Spelling
  • Punctuation
  • Conciseness
  • Tone detection

For Individuals and Teams

Pro

Clarity, vocabulary, and tone improvements.

  • Everything in Free
  • Full-sentence rewrites
  • Word choice
  • Tone suggestions
  • Fluency suggestions
  • Plagiarism detection

My biggest piece of advice for anyone in college is to download Grammarly. Grammarly catches mistakes you might miss and helps with communicating clearly. Game changer!

Jessica Wythe
PhD Candidate

The service goes beyond the basic spell-check and grammar check built into the word processor, as Grammarly can identify correctly spelled words that are used in the wrong context.

Bill Winterberg
Journalist, Atlanta
New York TimesForbesWSJUSA TodayTechCrunch

Frequently Asked Questions


Why is grammar important?

Grammar is important because the clearer your writing is and the fewer grammatical mistakes you make the more effective your words will be. Whether you’re working on an important email, school paper, college application, or business proposal, readability, good grammar, and compelling communication are crucial to success.

How can I write correct English?

To write correctly in English, you need to follow relevant spelling, punctuation, and grammar rules. You’ll also need a working knowledge of the complicated nuances of the English language. Luckily, Grammarly can help with all of this. In addition to helping you correct punctuation mishaps, spelling mistakes, and grammatical errors, Grammarly’s suggestions help you learn fluency and improve your writing over time.

How can I check my grammar online?

Grammarlys online grammar-check tool is a great way to check your English grammar and eliminate mistakes in your writing. Another excellent solution is to get Grammarly Free for your desktop and browser. Grammarly Free gives you instantaneous suggestions wherever your write so you can easily ensure your writing is mistake-free and aligned with English grammar rules.

Does Grammarly check more than just grammar?

Yes! In addition to being a grammar, spelling, and punctuation checker, Grammarly improves the readability of your writing. Grammarly Free also helps with conciseness and tone detection, includes 100 monthly uses of generative AI, and automatically generates citations for you whenever you visit a compatible source site. Grammarly Pro builds upon that with advanced tone and clarity suggestions, plagiarism detection, and 1,000 monthly uses of Grammarly’s generative AI features. With Grammarly checking your writing, you can feel confident your work is polished and your message is communicated clearly, concisely, and powerfully.

Is Grammarly the best grammar checker?

Grammarly is a best-in-class online grammar checker and AI writing partner built by expert linguists. Authors, businesses, professional writers, teachers, students, and others trust Grammarly to make their writing mistake-free and clear. Grammarly conveniently works across multiple platforms and devices with just one account, and it’s easy to use. Once you sign in, it will work wherever you write.

Can I use Grammarly for free?

Yes, you can use Grammarly Free at no cost. We don't run ads within the product and we don't sell your data. If you'd like advanced writing suggestions and extra generative AI prompts, you can upgrade to Grammarly Pro at any time.

More AI Writing Assistance From Grammarly

Grammarly helps with all aspects of writing. Here are a few other useful tools that can support you.

Make Great Writing Simple

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