2000+ organizations trust our AI-based writing tools
- BMW Group
- European Union
- Spiegel Magazine
- Deutsche Presse-Agentur (dpa)
- Deezer
- TÜV Süd
- Algemeen Nederlands Persbureau (ANP)
- Heise
- Max-Planck-Gesellschaft
- Blinkist
- Bertelsmann Stiftung
- Schweizer Radio und Fernsehen (SRF)
- Kronen Zeitung
- JetBrains
- IP Australia
Try the LanguageTool Editor for a Better Writing Experience
Create your free account
- Distraction-free writing experience
- Personal Dictionary
- Statistics help you stay on the write path
- Texts are securely stored
- Access even more suggestions for advanced punctuationand typography with the “Picky Mode”
- Choose between dark and light appearance
Our Browser Add-On Works Anywhere on the Web
Receive tips on how to improve your text while typing an e-maila blog postor just a simple tweet. Whatever language you’re usingLanguageTool will automatically detect it and provide suggestions. To respect your privacyno 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
Do you speak a foreign language?
The Most International Writing Tool
There are over 7,000 languages and various multilingual countries in the world. LanguageTool helps as an international spell checker in several languagesincluding:
+ more than 30 other languages and dialects
Reach Your Potential With Statistics
This feature helps you stay consistent with your writing by tracking your productivity. It also provides an overview of languages usederrors madeand suggestions appliedso you can see for yourself how your writing skills have improved.
Integrates With Your Favorite Office Program
Get the best out of your docs and deliver error-free resultswhether you’re working on a dissertationessaybookor you just want to note something down.
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Google Docs Add-on
Check all your texts in Google Docs for grammar and spelling mistakes with LanguageTool's browser add-on.
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macOS App for Microsoft Word
LanguageTool for macOS allows you to check text in Microsoft Word and most of your favorite Mac apps.
Text checking for LibreOffice
Correct Spelling
Do you fall victim to typos and misspellings way too often? LanguageTool finds every mistake and underlines it in red. Spell every namephraseand word the write… ehthe right way!
Check Grammar
Grammar rules have never been so easy! LanguageTool will help rid your writing of all grammar gaffeslike incorrect subject-verb-agreementwrong plural formsor misuse of grammatical forms.
Fix Punctuation
Commas and dashes and hyphens… Proper punctuation can be tricky—LanguageTool ensures you’re using them right. It can even help you form complex sentences and tell you when you’ve used too many exclamation points!
Confirm Casing
It’s all about the capitalright? And the lowercase letterstoo. LanguageTool corrects incorrect casingwhether you’re writing capitalized namesmonthsplacesor national identities.
Improve Style
LanguageTool helps your writing be as stylish as you are by detecting overused phrasesforeign termsredundant wordsand improper word choice. All you have to do to find the best is look out for the blue underline.
Paraphrasing Tool
Looking for the right words? LanguageTool's paraphraser makes them easier to find by using artificial intelligence to rephrase your sentences to be more formalfluentsimple or concise.
Paraphrase Text Read more
What else?
Frequently Asked Questions
Make your text sound professional and avoid embarrassing punctuationand grammar mistakes
Is LanguageTool a comprehensive grammar checker?
YesLanguageTool 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 textincluding grammar checksword choice suggestionsand even recommendations. Think of it as your personal grammar and spell checkerhelping you craft polished and professional content.
How well does LanguageTool grammar checker detect comma errors?
LanguageToola powerful grammar checker excels at identifying and correcting punctuation errorsincluding commas. Its punctuation checker can differentiate between optional and required commasensuring your writing is polished. Plusit 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 synonymssimply 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 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 availableso it can be used in all common internet browsers. In additionyou can find a dedicated text editor as an app for iOSmacOS (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 simplershorteror more formal.
Read moreCan LanguageTool help me correct a bachelor or master thesis?
If you have to write a term paperbachelor thesis or master thesis at a universityLanguageTool can help you to be sure that it is free of errors. The writing assistant’s check is also particularly helpful for other academic texts in schools or at publishing houses. By the waystudents get a discount for LanguageTool.
Read moreUnleash the professional writer in you with LanguageTool Premium
Go well beyond grammar and spell checkingand impress with clearprecise and stylistically correct writing.
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