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Yes. This tool checks not only grammar, but also spelling, punctuation, word choice, and even style.

This tool is for anyone who writes in English, from students and learners to professionals, teachers, and even proofreaders. After all, even native speakers of English aren't immune to mistakes.

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Grammar Checker & Rephraser

Ai-powered writing tool to check your spelling, grammar and style in english, refine your style with our ai paraphraser, check your grammar, spelling and punctuation in one click.

Whether you're writing an email, a presentation or an essay, your resume or a cover letter in English, don't let mistakes get in the way of your success.

Reverso detects and corrects all types of grammar and spelling mistakes: wrong verb tenses, lack of agreement between subject and verb, incorrect prepositions, confusion between words with similar spelling, typos and punctuation errors.

Rephraser: rewrite and enhance any sentence with our AI

Rephraser is designed to help you instantly enhance your writing, strike the right tone, or simply find inspiration. Just enter your text and our AI will suggest useful and reliable alternatives: shorter or longer, more or less formal, idiomatic or creative…

Add style and clarity to your essays, while avoiding unintentional plagiarism.

Write compelling and professional emails - avoid repetition with regular clients.

Let your ideas flow, unleash your creativity, and find inspiration anytime.

Engage your audience with impactful social media posts and emails.

Make the most out of our online grammar checker

Double-click on a word to find its synonyms.

With our all-in-one writing assistant, no need to open a new tab every time you need a synonym or definition. Simply double-click on any word and enjoy a rich variety of synonyms from our comprehensive thesaurus and precise word definitions . You can even look up English verb conjugations .

Avoid unintentional plagiarism

If you have doubts if your text resembles a lot already existing publications, Reverso is at your service to prevent plagiarism. Rephraser will reword your creation to ensure its uniqueness while preserving your line of thought.

Mix and match Rephraser suggestions

Rephraser offers a wide variety of alternatives to your text while preserving the intended meaning. Feel free to mix and match the suggestions to create the perfect combination. After all, it’s up to you to decide what tone and style best fits your needs.

Learn new ways to express yourself

Tired of using the same old statements with your regular clients? Trying to find a better way to conclude an email? Use Rephraser to revamp your vocabulary and discover new idiomatic expressions for commonly-used ideas.

Enjoy AI-based translation from and to English

Not a native English speaker? Use Reverso’s AI translator to enjoy natural-sounding and accurate translations from and to English.

With Rephraser, fix errors that grammar checkers can't detect

Grammar checkers are effective at correcting rule-based mistakes such as subject-verb agreement or wrong prepositions. This is not always enough to make your ideas shine. Use Rephraser to bring enhancements at the sentence level, making your text more fluid and pleasant to read: fix word order, reduce repetitions, replace simple words with idioms, and boost your overall style.

More Than Just ‍ a Grammar Checker

Instantly improve your grammar, correct your spelling and increase your fluency with Wordtune's free robust grammar checker and corrections solution.

Your all-in-one tool ‍ to deliver flawless writing

Check your grammar

Correct your spelling

Perfect your writing

Produce AI content

Discover how real wordtune customers improved their english.

“I definitely recommend Wordtune to anyone wanting to develop their writing skills or just for those times when you need a little help when you get stuck.”

“It's amazing, the use of sophisticated words is extraordinary. It definitely has helped me with my writing. It's the only website I come to, and the free option is still very usable.”

“As a law student who loves to write, Wordtune has proved invaluable to me. It helps me communicate my ideas more effectively and efficiently by suggesting sentence improvements.”

“This app assists me a lot with my vocabulary since English is not my native language.”

Wordtune's advanced algorithms analyze your content and provide suggestions for improvement, enhancing the clarity and readability of your writing. Wordtune goes beyond basic grammar and spelling corrections, offering more nuanced suggestions to enhance your writing style. Using AI-powered suggestions, you can improve your writing with alternative phrases and synonyms, helping you express your ideas more effectively.

Wordtune analyzes your sentence structure, word choice and grammar to identify any potential issues. It then presents you with alternative options that help improve the clarity and readability of your writing.

Yes, Wordtune’s corrections are free with any Wordtune Plan

Currently, only English is supported. However, you can use Wordtune Rewrite to easily translate any text from another language into error-free and fluent English content. Rewrite currently supports the following languages: Mandarin Chinese, Arabic, Hebrew, Korean, Hindi, Russian, Spanish, German, French and Portuguese.

Yes, Wordtune provides feedback on your word choice and increases fluency and readability, helping you craft more concise and impactful sentences.

Wordtune: More than just ‍ a grammar checker

Grammar checking

Try the free Microsoft Editor grammar checker to improve your writing, catch mistakes, and use best practices to write like a pro.  

Try the free Microsoft Editor grammar checker to improve your writing, catch mistakes, and use best practices to write like a pro.

What is a grammar checker and how do you use it?

Grammar checking is making sure you use the correct words and punctuation in your writing and that it’s clear, concise, and inclusive.

Proofread papers and reports

Check your schoolwork and catch any mistakes before turning it in so you can improve your grade.

Polish professional documents

Make sure that presentations, emails, social media posts, and print materials are error-free.

Create a compelling resume

Impress employers with a strong resume without any mistakes to distract from your qualifications.

Save time and energy

Finish and send documents sooner with peace of mind that your writing doesn’t have any typos.

Learn how to use a free online grammar checker

See how to check your grammar for clarity, conciseness, vocabulary, punctuation, formality, inclusiveness, and similarity to online sources.

Get help with grammar basics

An online grammar checker highlights issues like sentence fragments, missing words and punctuation, capitalization, and commonly confused words.

See how to write with clarity

A grammar checker identifies phrases where you can use simpler wording, switch to active voice instead of passive voice, and avoid jargon.

Keep it concise

Hold your reader’s attention by deleting unnecessary words.

Choose the right words for the situation

An online grammar checker will point out clichés, vague or unnecessary words, weak verbs, informal language, and slang you might want to avoid.

Write for every audience

Use a grammar checker to make sure your writing is free of bias and makes everyone feel represented.

Make sure your writing is original

Check your document for similarity to online sources and properly cite other people’s work.

Make your resume stand out

Check the grammar in your resume with Microsoft Editor and avoid vague words and writing in the first person.

Read more about grammar checking

Properly use grammar to be more professional in documents, email, and online.

Use Microsoft Editor in your documents, email, and online

Rules with Commas, Periods, and More

Use data to write better emails

Five ways to be more professional over email

Ready to try editor.

Improve your writing across school papers, presentations, email, and the web with Microsoft Editor.  

Improve your writing across school papers, presentations, email, and the web with Microsoft Editor.   

Learn more about Microsoft Editor

Grammar Check

Spell check

Frequently asked questions, what is grammar checking.

A grammar check is a making sure your writing is grammatically correct: using active voice, being concise and specific, using punctuation correctly, making sure you use the right verb tense, and following other language rules.

What does a grammar checker do?

A grammar checker scans your writing for common errors and highlights them so you can fix them.

What are the advantages of online grammar checking?

Online grammar checking helps you make your writing the best no matter what website you’re using: LinkedIn, Gmail, Facebook, or Word or Outlook online. A  grammar checker browser extension  like Microsoft Editor makes it easy.

Why use grammar checking software?

Grammar checking software has many benefits. It helps you improve your language skills, makes your writing easier to understand, saves time proofreading, and catches typos and other common mistakes.

Follow Microsoft 365

#1 Free British Grammar Checker

Try our other writing services

Type error-free, always and everywhere.

Correct your document within 5 minutes

• Proofread on 100+ language issues
• Specialized in academic texts
• Corrections directly in your document

Instantly correct your entire document in minutes

The #1 grammar checker.

The best grammar checker to make you write like a pro!

Check your grammar for free (and without obligations)

The Scribbr grammar checker is 100% free and you don’t need to sign up.

Insert your text, improve your writing, export your text – it can’t get any easier!

One tool to correct all your mistakes

The grammar checker corrects  spelling, grammar and punctuation mistakes. All fixed with 1 click.

Also corrects Spanish, French and German

Besides US and UK English, the grammar checker corrects Spanish, French and German.

More languages will be added in the future!

Correct all your writing errors

There are times when you just want to write without worrying about every grammar or spelling convention. The online grammar checker immediately finds all of your errors. This allows you to concentrate on the bigger picture. You’ll be 100% confident that your writing won’t keep you down.

Correct your grammar

Improve your writing and grammar with just one click.

The Scribbr Grammar Checker fixes grammatical errors like:

• Sentence fragments & run-on sentences
• Subject-verb agreement errors
• Issues with parallelism

Check your spelling

Spelling may seem straightforward, but basic spell-checkers often don’t recognise many specialist terms you might use in your writing, incorrectly marking them as mistakes.

Scribbr has a large dictionary of recognised words, so you can feel confident that every word is 100% correct.

Correct your punctuation mistakes

Our Grammar Checker takes away all your punctuation mistakes. Avoid common mistakes with:

• Dashes and hyphens
• Apostrophes

Correct commonly confused words

Should you use “affect” or “effect” ? Is it “then” or “than” ? Did you mean “there,” “their,” or “they’re” ?

Never worry about embarrassing word choice errors again. Our grammar checker will spot and correct any errors with commonly confused words .

Correct your entire document in 5 minutes

Would you like to upload your entire document and check all your documents for 100+ language issues? Then Scribbr’s AI-powered proofreading is perfect for you.

With AI-powered proofreading, you can correct your text in no time:

• Upload document
• Wait briefly while all errors are corrected directly in your document
• Correct errors with one click

Proofread my document

Why users love our Grammar Checker

Instantly correct all your language mistakes in minutes, ask our team.

Want to contact us directly? No problem. We are always here for you.

• Chat with us
• Email [email protected]
• Call +44 (0)20 3917 4242
• WhatsApp +31 20 261 6040

Frequently asked questions

The Scribbr Grammar Checker is a tailor-made AI-powered tool that can correct basic language, grammar, style, and spelling errors. We run it so that our editors are free to focus on what they do best: making sure that your paper is free of more nuanced mistakes and providing you with helpful feedback and writing tips.

The Scribbr Grammar Checker is a pro at correcting basic mistakes – and a human editor will still be carefully reviewing your full text – so you can rest assured that your paper is in very good hands!

When you receive back a document that has been reviewed by the Scribbr Grammar Checker, you’ll see two sets of tracked changes in it: one set from the grammar checker and one set from your editor. That way, you can easily tell who made what changes in your paper.

Not sure how tracked changes work in Word or how to review your edited file? Read our handy guide to learn more.

We tested ten of the most popular free grammar checkers to see how many errors they could fix in our sample text and deducted points for any new errors introduced. We also evaluated the tools’ usability.

When compared all the other grammar checkers we tested for this comparison and Scribbr performed exceptionally well. It was successful in detecting and correcting 19 of the 20 errors. See the full review here .

If our grammar checker flags an error that is not actually an error, you have several options:

1. Ignore the error: Most grammar checkers allow users to skip or ignore suggestions they do not agree with or find irrelevant. If you are confident that the flagged “error” is not an issue, you can bypass the suggestion and move on to the next one.

2. Review the context: Take a moment to thoroughly review the context surrounding the flagged error. Sometimes, the initial correct usage might still create confusion or ambiguity within the specific context, and reconsidering the phrasing could improve overall clarity.

Yes, this grammar checker covers the following mistakes:

1. Grammar: Correction of grammatical errors such as subject-verb agreement, tense usage, and sentence structure

2. Spelling: identification and correction of spelling errors, including typos and commonly confused words.

3. Punctuation: Detection and rectification of punctuation errors, including incorrect use of commas, periods, colons, and other punctuation.

4. Word choice errors: Catch words that sound similar but aren’t, like their vs. they’re and your vs. you’re.

Yes. There’s no sign up or payment required to use the grammar checker.

Yes. The grammar checker fixes any text, no matter what the medium is.

Correct your writing with advanced grammar checking

Hemingway Editor Plus now has advanced AI grammar checking, ensuring your writing is perfect and professional.

Hemingway Editor Plus just got a big upgrade. Starting today, Editor Plus will ensure that your writing is error-free and professional, so you can make the right impression. Even better, it's included for all paid plans with no usage limits, unless you are a robot spamming us.

Like most writers, we've all spent hours pouring over our work, only to still miss a pesky error. Our real-time grammar checker uses a cutting-edge AI model to ensure that it never happens again.

The most advanced grammar checking you've ever seen

Our AI-powered grammar checker is capable of finding issues that other tools often miss. It goes far beyond basic spelling and grammar issues like subject-verb agreement. Our tool also identifies tricky grammar problems that require understanding the writer's intent. Hover the green errors below to see how Hemingway fixes them:

• Context-sensitive word choice : "I think your going to the store and were going to make bread. Its my favorite food, and it's flavor is so good."
• Context-sensitive possessives : "The student's grades were all below 70% on the exam. Each students' answer to the final question was incorrect."
• Run-on sentences : "I love to write papers I would write one every day if I could."
• Tense shifts between sentences : "Martin searched for a great horned owl. Then, he takes a picture."
• Missing commas : "Determined to not miss the movie we went out for an early dinner."
• Using the wrong word : "I just want to be left a lone ."

Try plugging those sentences into your usual grammar checker, and you'll see some holes. However, the Hemingway Editor Plus grammar checker is sophisticated enough to catch them.

And the best part? It complements Hemingway Editor's existing readability highlighting. Now you get both correctness and clarity in one writing app.

How to use the new grammar-checking tool

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Using our real-time grammar-checking feature is easy. Here's how it works:

• After you make any changes to your text, the AI will automatically scan it for grammar and spelling errors.
• When it finds an issue, it will highlight it in green.
• Click on the highlight to instantly see a suggested correction, which you can click to use.

And don't worry, fans of our passive voice-checking feature: it's still here! We've merged passive voice checks with adverb highlighting in blue. When you click on a blue issue, we'll highlight the type of problem and let you fix it with a click.

Tell us what you think

We're excited to hear your thoughts on this new feature! As you start using our real-time grammar check, we'd love to hear what you think. Send us feedback

Try Hemingway Editor Plus

Hemingway Editor Plus fixes common writing issues like wordy sentences, passive voice, and more — with the click of a button.