Grammar Checker for Gmail

LanguageTool adds advanced spelling, grammar and style correction to Gmail and many other services and apps.

Installation is quick, easy, and free

Find out more about how to set up LanguageTool for Gmail

Grammar, Spelling, and Style

LanguageTool finds many more mistakes than your average writing tool, including tone and style improvements.

Works Everywhere You Write

LanguageTool works in all major browsers, as well as common writing tools like MS Word or OpenOffice.

Multilingual by Nature

Check your writing in 30+ languages, such as English, German, French, Portuguese, Spanish, Dutch, and more.

Improve Your Writing in Three Easy Steps

Download the LanguageTool browser add-on

  • Download the free browser add-on

    To check your spelling, add the free extension to your browser. Installation is quick, easy, and completely free. No credit card or user account required.

  • Go to Gmail

    Once the add-on is installed, visit https://mail.google.com/mail and start writing in any multi-line text field. LanguageTool will analyze your writing as you type.

  • Accept suggestions

    LanguageTool marks potential mistakes and suggestions by underlining them. It’s up to you which corrections you want to accept to make your text perfect.

Did you know?

Our Browser Add-On Works Anywhere on the Web

Receive tips on how to improve your text while typing an e-mail, a blog post, or just a simple tweet. Whatever language you’re using, LanguageTool will automatically detect it and provide suggestions. To respect your privacy, no text is stored by the browser add-on.

5,000+ Chrome Store reviews

Top-rated grammar checker for Chrome with over 3 million users

What else?

Frequently Asked Questions

Make your text sound professional and avoid embarrassing style, punctuation, and grammar mistakes

Does LanguageTool only include spelling correction?

LanguageTool corrects spelling mistakes, but it also offers a full writing analysis of all possible texts. In addition to spelling, grammar, and word choice, language style is also corrected.

How well does LanguageTool detect comma errors?

Punctuation errors of all kinds are found and corrected by LanguageTool. Its correction distinguishes between optional and required commas. Even complex sentence structures can be proofread by the comma check.

How does error detection and correction by LanguageTool work?

The error display and suggestion cards are shown automatically and directly while typing. This means that texts can be checked and corrected in just a few moments. To see synonyms, simply double-click on any word.

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Which languages can be checked with LanguageTool?

LanguageTool masters more than 30 languages and dialects. Its main languages are English, Spanish, German, French, Dutch, and Portuguese. In its English version, you can choose between six standard varieties (US, UK, Canada, Australia, New Zealand, and South Africa).

Is LanguageTool free?

LanguageTool is available in two versions. The free version corrects spelling as well as simple punctuation and some style mistakes. Only the Premium version will show you all errors and give you the best possible text. Team accounts for companies are also available.

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Does LanguageTool work on my program?

LanguageTool is not bound to a specific program or website. There are several extensions and add-ons available, so it can be used in all common internet browsers. In addition, you can find a dedicated text editor as an app for iOS, macOS (Apple), and Windows. All you need is just one user account.

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Is LanguageTool suitable for paraphrasing sentences?

LanguageTool now offers an A.I.-based paraphraser in addition to correction. This can help you to rewrite entire sentences to make them simpler, shorter, or more formal.

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Can LanguageTool help me correct a bachelor or master thesis?

If you have to write a term paper, bachelor thesis or master thesis at a university, LanguageTool can help you to be sure that it is free of errors. The writing assistant’s style check is also particularly helpful for other academic texts in schools or at publishing houses. By the way, students get a discount for LanguageTool.

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In a Nutshell

✅  Correction Grammar, spelling & style
👓  Punctuation Detects missing commas
🌎  Multilingual English, Spanish…
🎁  Free No sign-up required

Amaze Your Friends, Colleagues, and Customers With Your Clear and Precise Writing

LanguageTool works perfectly with Gmail and many other services around the web. Start today and use LanguageTool wherever you write.

List of all supported services