Grammar Checker for macOS

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

Installation is quick, easy, and free

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.

Open and check

Open .docx, .txt, .html or .rtf files directly in LanguageTool to check them without loosing any of their formatting.

Deep system integration

Check texts from your clipboard by using the system-wide shortcut, or create new texts easily via the toolbar menu.

Dark mode

LanguageTool automatically adjusts to your system's appearance.

Safari extension included

Check your writing on all your favorite websites in Safari such as Google Docs, Gmail, Facebook, Twitter and many more.

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 macOS and many other services around the web. Start today and use LanguageTool wherever you write.