LanguageTool
Grammar, spelling and style checker covering more than 30 languages.
4.4(45 reviews)MatchFast editorial rating, not a verified user review average.
- Price
- Free + Premium (price not published)
- Founded
- Not available
- HQ
- Europe and the US
- Employees
- Not available
About LanguageTool
LanguageTool checks grammar, punctuation and style across more than 30 languages and dialects, including six varieties of English. The free version catches spelling and basic punctuation; Premium adds over 20,000 extra checks, raises the text limit from 2,000 to 150,000 characters and removes the three-a-day cap on paraphrasing. Add-ons cover Chrome, Firefox, Edge, Safari, Gmail, Outlook, Word and Google Docs, with desktop apps for Windows and macOS. Premium prices were not displayed when we checked.
Key platforms
Core service areas
Grammar and spelling
Across 30+ languages
Style checks
20,000+ additional rules on Premium
Paraphrasing
Unlimited on Premium, 3 a day free
Style guides
Personal and team rules
Integrations
Browsers, Gmail, Outlook, Word, Google Docs
Desktop
Windows, macOS and iOS apps
Pros and cons
Pros
- More than 30 languages, far beyond English-only rivals
- Add-ons for Chrome, Firefox, Edge, Safari, Word, Google Docs and Outlook
- Free version is genuinely usable
- Desktop apps for Windows and macOS
Cons
- Exact Premium prices were not shown on the page we checked
- Reviewers say the interface is less polished than Grammarly
Frequently asked questions
- How many languages does LanguageTool support?
- More than 30 languages and dialects, with six English varieties. Q: What does Premium add? A: Over 20,000 extra checks, a 150,000-character limit and unlimited AI paraphrasing. Q: What are good alternatives to LanguageTool? A: Writefull for academic work and Lex for drafting.
Best for
Multilingual writers who need one checker across several languages.
Pricing details
Free version covers spelling, simple punctuation and some style. Premium is sold on monthly, quarterly, annual and two-year terms; exact prices were not displayed at time of review. Details: https://languagetool.org/premium
Review notes
- Last reviewed
October 4, 2026
- Source
languagetool.org | https
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