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 LibreOffice.
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
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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.
Sign up It’s free -
Go to Google Docs
Once the add-on is installed, visit https://docs.google.com/ and start writing in any multi-line text field. LanguageTool will analyze your writing as you type.
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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.
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.
Over 1 million users trust LanguageTool with their writing
Top-rated grammar checker for Firefox with over 1 million users
Over 4 million users trust LanguageTool with their writing
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
Is LanguageTool a comprehensive grammar checker?
Yes, LanguageTool is a powerful tool that goes beyond simply checking for spelling errors. It's a comprehensive writing assistant that offers in-depth analysis of your text, including grammar checks, word choice suggestions, and even style recommendations. Think of it as your personal grammar and spell checker, helping you craft polished and professional content.
How well does LanguageTool grammar checker detect comma errors?
LanguageTool, a powerful grammar checker excels at identifying and correcting punctuation errors, including commas. Its punctuation checker can differentiate between optional and required commas, ensuring your writing is polished. Plus, it can handle even the most complex sentence structures with its advanced 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.
Read moreWhich languages can be checked with LanguageTool's grammar checker?
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.
Read moreDoes 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.
Read moreIs 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.
Read moreCan 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.
Read moreIn 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 Google Docs and many other services around the web. Start today and use LanguageTool wherever you write.