Grammar Checker for Gmail

LanguageTool adds advanced spelling, grammar and style correction to Gmail and many other services around the web.

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 20+ languages, such as English, German, 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.

    Add to Chrome It’s free
  • 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 1 million users

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.