Instantly Enhance Your Writing

LanguageTool’s multilingual grammar, style, and spell checker is used by millions of people around the world

Trusted by our partners and customers

  • BMW Group
  • Amazon
  • RingCentral
  • European Union
  • Spiegel Magazine
  • Deutsche Presse-Agentur (dpa)
  • Heise
  • Bertelsmann Stiftung
  • Schweizer Radio und Fernsehen (SRF)
  • JetBrains
  • IP Australia
  • Wirtschaftsuniversität Wien

Create your free account

Our browser add-on works anywhere on the web

Receive tips on how to improve your text (including punctuation advice etc.) 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

Meet LanguageTool For macOS

Experience LanguageTool’s advanced Grammar-, Spelling and Style suggestions right in your all your favorite writing apps.

Supported Apps

Integrates with your favorite office program

Get the best out of your docs and deliver error-free results. No matter whether you're working on a dissertation, an essay, or a book, or you just want to note down something.

Text checking for LibreOffice & OpenOffice

* LanguageTool's grammar check for OpenOffice requires Java 8. Currently not available for the Premium version. Problems installing it? Look here for help: Troubleshooting

Unleash the professional writer in you with LanguageTool Premium

Go well beyond grammar and spell checking, and impress with clear, precise and stylistically correct writing.

Learn more