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 30+ languages, such as English, German, French, Portuguese, Spanish, Dutch, and more.
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
Does LanguageTool only include spelling correction?
LanguageTool corrects spelling mistakes, but it also offers a full writing analysis of all possible texts. In addition to spelling, grammar, and word choice, language style is also corrected.
How well does LanguageTool detect comma errors?
Punctuation errors of all kinds are found and corrected by LanguageTool. Its correction distinguishes between optional and required commas. Even complex sentence structures can be proofread by the 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?
LanguageTool masters more than 30 languages and dialects. Its main languages are English, Spanish, German, French, Dutch, and Portuguese. In its English version, you can choose between six standard varieties (US, UK, Canada, Australia, New Zealand, and South Africa).
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 Thunderbird and many other services around the web. Start today and use LanguageTool wherever you write.