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LanguageTool

A multilingual grammar, spelling and style checker that works in your browser and apps.

Free + PaidAI Writing#6 in Writingby LanguageTooler GmbH

What is LanguageTool?

LanguageTool checks grammar, spelling and style in more than 30 languages. It offers AI rephrasing and works through browser extensions, desktop apps and add-ons for office software. Its core engine is also available as open source.

Best for: People who write in more than one language.

What you can do with LanguageTool

  1. Check an email written in German or French

  2. Fix grammar in a Google Doc

  3. Rephrase a clumsy sentence

Key features

  • Supports many languages
  • Browser extensions and office add-ons
  • AI paraphrasing
  • Personal dictionary

LanguageTool pros and cons

Pros

  • Wide language coverage
  • Useful free version

Cons

  • Advanced style checks need the paid plan

LanguageTool pricing

Free + Paid

LanguageTool has a free plan, with paid plans that add more usage or features. Plans change often, so check the official site for current prices.

How to get started

  1. Open languagetool.org and create a free account.
  2. Try one real task first: check an email written in German or French.
  3. Compare the result with ProWritingAid or Lex, then keep the one that fits how you work.

Compare LanguageTool

Side-by-side comparisons of features, pricing, pros and cons.

LanguageTool alternatives

Other tools that do a similar job, ranked by our editors.

All LanguageTool alternatives
  • ProWritingAid

    Free + Paid

    A grammar checker and style editor with in-depth reports, popular with fiction writers.

    AI WritingVisit
  • Lex

    Free + Paid

    A clean online word processor with an AI writing partner built in.

    AI WritingVisit
  • Grammarly

    Free + PaidEditor's pick

    Grammar, tone and clarity suggestions wherever you type.

    AI WritingVisit
  • QuillBot

    Free + Paid

    Paraphrase, summarise and check grammar in one writing toolkit.

    AI WritingVisit
  • DeepL

    Free + Paid

    Natural-sounding translation for text and whole documents.

    AI WritingVisit
  • Paperpal

    Free + Paid

    An academic writing assistant that polishes language for research papers and theses.

    AI WritingVisit

Top AI writing tools

How LanguageTool compares with the best in AI Writing.

  1. 1. Grammarly

    Free + Paid

    Grammar, tone and clarity suggestions wherever you type.

  2. 2. QuillBot

    Free + Paid

    Paraphrase, summarise and check grammar in one writing toolkit.

  3. 3. DeepL

    Free + Paid

    Natural-sounding translation for text and whole documents.

  4. 4. Jasper

    Free trial

    An AI content platform for marketing teams that keeps your brand voice.

  5. 5. Copy.ai

    Free + Paid

    Generate sales and marketing copy, and automate go-to-market workflows.

See all 22 AI writing tools

LanguageTool FAQ

What is LanguageTool?

LanguageTool checks grammar, spelling and style in more than 30 languages. It offers AI rephrasing and works through browser extensions, desktop apps and add-ons for office software. Its core engine is also available as open source.

Is LanguageTool free?

LanguageTool has a free plan, with paid plans that add more usage or features. Check the official site for current limits and prices.

What can you do with LanguageTool?

With LanguageTool you can check an email written in German or French; fix grammar in a Google Doc; rephrase a clumsy sentence.

Who is LanguageTool best for?

People who write in more than one language.

Does LanguageTool have an app?

Yes. Besides the web version, LanguageTool has apps for Windows, Mac, iPhone & iPad and Android.

Who makes LanguageTool?

LanguageTool is made by LanguageTooler GmbH.

What are the best alternatives to LanguageTool?

Popular alternatives include ProWritingAid, Lex, Grammarly and QuillBot. See the full ranking on our AI Writing page.

AltFTool is not affiliated with LanguageTool. This summary was written by our editors from the tool's public information. Browse all 451 AI tools