Grammar Check by Grammarly

Get a free grammar check and correct mistakes in your text
with Grammarly’s online grammar checker.
Grammatical Errors
Spelling Errors
Check your text
Incorrect Punctuation
Misused Words

A Grammar Checker You Can Rely On

Are you ready to move beyond standard grammar checking tools that miss even basic grammar and spelling errors? Grammarly’s online grammar checker scans your text for all types of mistakes.
Correct grammar errors

Eliminate grammar errors.

With a free grammar check, you can scan your writing for hundreds of types of English grammar mistakes. Apply suggested corrections instantly and enjoy the confidence of knowing your work is polished and error-free.
Correct spelling errors

Fix tricky spelling mistakes.

A regular spell-check can catch misspelled words, but Grammarly goes further. In addition to misspellings, our free grammar checker catches commonly confused words when they’re used in the wrong context.
Correct punctuation mistakes

Say goodbye to punctuation errors.

A misplaced comma can change the meaning of your whole sentence. Grammarly’s free check ensures that all your commas, apostrophes, periods, and semicolons are used in the right place at the right time.
Word choice and vocabulary suggestions

Enhance your writing.

Looking for more? Grammarly Premium offers advanced suggestions about word choice, vocabulary, conciseness, tone, and more. With Grammarly Premium, you’ll have access to everything that comes with the free check, plus over a hundred additional advanced checks and features.
Bill's quote about grammar-checking services
Journalist, Atlanta
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.
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More Than a Grammar Check

Whether you’re a native English speaker or just beginning to learn, English grammar can be confusing. But grammar isn’t the only thing you need to think about. Have you ever sent off an important email only to realize moments later that you forgot to run spell check and missed a mistake in the very first line? Do you struggle with apostrophes or spend way too long trying to identify the correct place to use a comma? Even if you’re confident in your grasp of English grammatical rules, it’s easy to mistype when you’re writing fast and concentrating on your ideas.

Grammarly is more than a grammar check, more than a spell check, and more than a punctuation corrector. It’s a comprehensive writing tool that helps you write clear, flawless text that will impress your readers. With Grammarly, you’ll correct grammar, spelling, and punctuation mistakes as well as sentence structure problems, misused words, typos, and more.

Why Use Grammarly’s
Writing Tool?

Good writing is for everyone. Whether you’re working on an essay, a blog post, or an important email, presenting your ideas with clear, correct language makes a big impression on your reader. When the stakes are high, a grammar checker can be a lifesaver. But with all the online tools available, it’s critical to pick one that you can rely on to catch mistakes every time.

Grammarly’s products run on a sophisticated AI system built to analyze English sentences. Unlike other tools (most spell checkers, for instance) that rely on a rigid set of rules, Grammarly takes context into account when making corrections or suggestions. This means that when you write “affect” but you meant “effect,” Grammarly will let you know that you spelled the word right but used it in the wrong context.

Better Writing Everywhere
With Grammarly

Grammarly has a tool for just about every kind of writing you do. The online grammar checking tool is perfect for users who need a quick check for their text. Try the online editor for checking longer papers and essays, the iOS or Android app for mobile writing, and the browser extension to make sure your writing is clear and mistake-free on any website.

When you create a Grammarly account, you’ll be able to select your preferred English dialect, add words to your personal dictionary, and check your text from anywhere. Plus, you’ll receive weekly updates about your vocabulary, productivity, and top mistakes, so you can track your improvement over time.

Instant Grammar Check for Everything You Write Online

Think of all the places you write online every day: Gmail, Facebook, Twitter, LinkedIn, and dozens of other sites. With Grammarly’s writing app, you can check grammar in real time as you type on almost any website — no copying or pasting required.
Grammar Check Everywhere You Write
Join more than 10 million happy Grammarly users today.
Get more than a grammar checker with Grammarly’s app.