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LanguageTool
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Text rewriting (21)

LanguageTool

LanguageTool is a free online proofreading service that helps you check your text for grammar and spelling mistakes in over 30 languages.

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Starting price Free + from $4.32/mo

Tool Information

LanguageTool is a free online proofreading service that helps you check your text for grammar and spelling mistakes in over 30 languages. It offers a wide range of features for both casual and professional use, such as an AI-based grammar checker, a personal dictionary, quality scoring for texts, and more. It includes browser add-ons for Chrome, Edge, Firefox, Safari, and Opera, as well as Office plugins for Google Docs, Word, OpenOffice, and LibreOffice. It also offers desktop apps for macOS and Windows, E-Mail add-ons for Gmail, Outlook, Apple Mail, and Thunderbird, and Editor Apps for iOS, macOS, and Windows. Premium users also have access to a rephrasing tool, Picky Mode for advanced punctuation, and style, and typography suggestions. LanguageTool is trusted by organizations such as BMW Group, Amazon, RingCentral, European Union, Spiegel Magazine, Deutsche Presse-Agentur (dpa), Heise, Bertelsmann Stiftung, Schweizer Radio und Fernsehen (SRF), JetBrains, IP Australia, and Wirtschaftsuniversität Wien. It is free to use and also offers a 20% discount for its Premium version.

Musthave review

LanguageTool review

3 min read

LanguageTool is an AI tool listed on Musthave.AI for builders who want practical product context—not hype. LanguageTool is a free online proofreading service that helps you check your text for grammar and spelling mistakes in over 30 languages.

About LanguageTool

LanguageTool is a free online proofreading service that helps you check your text for grammar and spelling mistakes in over 30 languages. It offers a wide range of features for both casual and professional use, such as an AI-based grammar checker, a personal dictionary, quality scoring for texts, and more.

It includes browser add-ons for Chrome, Edge, Firefox, Safari, and Opera, as well as Office plugins for Google Docs, Word, OpenOffice, and LibreOffice. It also offers desktop apps for macOS and Windows, E-Mail add-ons for Gmail, Outlook, Apple Mail, and Thunderbird, and Editor Apps for iOS, macOS, and Windows.

Premium users also have access to a rephrasing tool, Picky Mode for advanced punctuation, and style, and typography suggestions. LanguageTool is trusted by organizations such as BMW Group, Amazon, RingCentral, European Union, Spiegel Magazine, Deutsche Presse-Agentur (dpa), Heise, Bertelsmann Stiftung, Schweizer Radio und Fernsehen (SRF), JetBrains, IP Australia, and Wirtschaftsuniversität Wien.

It is free to use and also offers a 20% discount for its Premium version.

Who LanguageTool is for

LanguageTool fits people evaluating tools in Text rewriting. Use this page to understand positioning, strengths, and trade-offs before you commit budget or stack changes.

Key benefits

  • Supports over 30 languages
  • Personal dictionary
  • Quality scoring for texts
  • Browser add-ons for Chrome
  • Edge
  • Firefox
  • Safari
  • Opera
  • Office plugins for Google Docs
  • Word
  • OpenOffice
  • LibreOffice

Limitations to weigh

  • Depends on Java 8
  • Requires account for rephrasing
  • Repasting required for full-document checking
  • Some features are platform-specific
  • Premium version required for full functionality
  • No voice-input option
  • Lacks real-time correction feature
  • Quality scoring only for registered users
  • Lacks mobile support
  • Full features not available for beta versions

text, transformation, writing

FAQ

What organizations trust LanguageTool for their grammar checking needs?

BMW Group, Amazon, RingCentral, European Union, Spiegel Magazine, Deutsche Presse-Agentur (dpa), Heise, Bertelsmann Stiftung, Schweizer Radio und Fernsehen (SRF), JetBrains, IP Australia, and Wirtschaftsuniversität Wien place their trust in LanguageTool for their grammar checking needs.

What are the key features of LanguageTool?

Key features of LanguageTool are its AI-based grammar checker, a personal dictionary, quality scoring for texts, text transformation services like rephrasing, advanced punctuation, style and typography suggestions in Picky Mode for premium users, and compatibility across several platforms as desktop, browser and email add-ons.

Can LanguageTool check grammar in languages other than English?

Yes, LanguageTool can check grammar in languages other than English. It offers proofreading services in over 30 languages.

Are there any browser add-ons available for LanguageTool?

Yes, LanguageTool provides browser add-ons for Chrome, Edge, Firefox, Safari, and Opera.

Can LanguageTool be used with desktop apps?

Yes, LanguageTool offers desktop apps for macOS and Windows.

Is there a premium version of LanguageTool?

Yes, there is a premium version of LanguageTool that offers several advanced features, such as a rephrasing tool, Advanced Punctuation (Picky Mode), and style and typography suggestions.

How Musthave.AI lists this tool

Musthave.AI catalogues AI products so builders can compare options quickly. Listings summarize positioning, categories, and practical notes. Always verify pricing, limits, and security on the vendor site before production use.

Official website: https://languagetool.org/

Pros and Cons

Pros

  • Supports over 30 languages
  • Personal dictionary
  • Quality scoring for texts
  • Browser add-ons for Chrome
  • Edge
  • Firefox
  • Safari
  • Opera
  • Office plugins for Google Docs
  • Word
  • OpenOffice
  • LibreOffice
  • Desktop apps for MacOS
  • Windows
  • Email add-ons for Gmail
  • Outlook
  • Apple Mail
  • Thunderbird
  • Editor apps for iOS
  • MacOS
  • Windows
  • Advanced punctuation suggestions (Picky Mode)
  • Style and typography suggestions
  • Text rephrasing tool for Premium users
  • 20% discount on Premium version
  • Respected by reputable organizations
  • Spelling and grammar checking
  • Instantly detects working language
  • Doesn't store user text (privacy)
  • Advanced grammar
  • spelling and style suggestions
  • Supports all favourite writing apps
  • Coherence and fluency in rewriting sentences
  • Helps to avoid embarrassing style
  • punctuation
  • grammar mistakes
  • Free version available
  • Team accounts for companies
  • Student discount available
  • Analyzes all types of texts
  • Fast error detection and correction
  • Synonyms suggestion
  • Recognizes different English dialects
  • Differentiates between optional and required commas
  • Comprehensive punctuation check
  • Suitable for academic texts
  • Casing correction
  • Style improvement suggestions
  • Overused phrases detection
  • Foreign terms detection
  • Redundant words detection
  • Improper word choice detection
  • Professional writing with Premium version

Cons

  • Depends on Java 8
  • Requires account for rephrasing
  • Repasting required for full-document checking
  • Some features are platform-specific
  • Premium version required for full functionality
  • No voice-input option
  • Lacks real-time correction feature
  • Quality scoring only for registered users
  • Lacks mobile support
  • Full features not available for beta versions

F.A.Q (19)

BMW Group, Amazon, RingCentral, European Union, Spiegel Magazine, Deutsche Presse-Agentur (dpa), Heise, Bertelsmann Stiftung, Schweizer Radio und Fernsehen (SRF), JetBrains, IP Australia, and Wirtschaftsuniversität Wien place their trust in LanguageTool for their grammar checking needs.

Key features of LanguageTool are its AI-based grammar checker, a personal dictionary, quality scoring for texts, text transformation services like rephrasing, advanced punctuation, style and typography suggestions in Picky Mode for premium users, and compatibility across several platforms as desktop, browser and email add-ons.

Yes, LanguageTool can check grammar in languages other than English. It offers proofreading services in over 30 languages.

Yes, LanguageTool provides browser add-ons for Chrome, Edge, Firefox, Safari, and Opera.

Yes, LanguageTool offers desktop apps for macOS and Windows.

Yes, there is a premium version of LanguageTool that offers several advanced features, such as a rephrasing tool, Advanced Punctuation (Picky Mode), and style and typography suggestions.

Premium users of LanguageTool have access to a rephrasing tool, Picky Mode for advanced punctuation, style, and typography suggestions. They also get to enjoy a distraction-free writing experience, and all their texts are securely stored.

Picky Mode in LanguageTool is an advanced feature offered to premium users that provides suggestions for advanced punctuation, style, and typography to improve the quality of the text.

Yes, LanguageTool can be used with several email platforms. There are email add-ons available for Gmail, Outlook, Apple Mail, and Thunderbird.

Yes, LanguageTool is currently offering a 20% discount on its Premium version.

Yes, LanguageTool offers plugins for Google Docs, Word, OpenOffice, and LibreOffice.

Yes, LanguageTool provides Editor apps for iOS, macOS, and Windows.

LanguageTool provides text transformation services such as rephrasing that helps to reword parts of the text for more fluency, formality, or comprehensibility.

Yes, LanguageTool is free to use but also offers a Premium version with advanced features.

To respect user privacy, LanguageTool doesn't store any text that is checked using the browser add-on.

LanguageTool add-on can be installed on your browser by visiting the appropriate extension store for your browser (i.e., Chrome Web Store for Chrome, Add-ons for Firefox, etc.) and following the standard procedure for adding extensions.

The personal dictionary feature of LanguageTool allows you to add personal and specific terminologies that the system will recognize when checking the text.

Yes, LanguageTool offers a Proofreading API and a specific solution for businesses to support their grammar-checking needs.

Yes, LanguageTool helps you improve the quality score of your texts with its advanced proofreading capabilities, such as AI-based grammar checker, rephrasing tool and the Picky Mode for punctuation, style, and typography suggestions.

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Applicable Tasks

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