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Spain, France, UK, the Netherlands and more

Best-rated grammar checker for Microsoft Edge

Over 1 million users trust LanguageTool with their writing

Most popular writing add-on for Opera
Most popular writing add-on for Yandex
1,250+ Firefox add-on reviews

Top-rated grammar checker for Firefox with over 1 million users

Best-rated grammar checker for Safari

Over 4 million users trust LanguageTool with their writing

10,000+ Chrome Store reviews

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

Try the LanguageTool Editor for a Better Writing Experience

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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.

Best-rated grammar checker for Microsoft Edge

Over 1 million users trust LanguageTool with their writing

Most popular writing add-on for Opera
Most popular writing add-on for Yandex
1,250+ Firefox add-on reviews

Top-rated grammar checker for Firefox with over 1 million users

Best-rated grammar checker for Safari

Over 4 million users trust LanguageTool with their writing

10,000+ Chrome Store reviews

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

Works With All Your Favorite Services

LanguageTool works in your browser and many other tools you use to write your texts. Install it today and get grammar as well as style suggestions wherever you write.

Elevate Your Writing With the Grammar, Spell, and Style Checker for Windows

Experience LanguageTool’s advanced spelling, style, and grammar suggestions right in all your favorite writing apps.

Supported Apps

Outlook
Wordpad
Notepad

Elevate Your Writing With the Grammar, Spell, and Style Checker for macOS

Experience LanguageTool’s advanced spelling, style, and grammar suggestions right in all your favorite writing apps.

Supported Apps

Pages
Mail
Slack
Word
Notes
Messages