LanguageTool

About LanguageTool

What Is LanguageTool?

LanguageTool is a multilingual writing assistant that helps users write with clarity and correctness. More than a simple spell checker, it detects grammar, punctuation, and stylistic issues in real-time across a wide range of platforms. Whether you're writing a formal document, an email, or a blog post, LanguageTool ensures your content is polished and professional.

Who Uses LanguageTool?

Over 2,000 organizations and millions of individuals worldwide trust LanguageTool. From corporate teams and journalists to students and non-native speakers, it's used by anyone who wants to improve their writing in English, German, Spanish, French, Portuguese, and many more languages.

Core Features

Advanced Grammar and Style Checking

LanguageTool goes beyond basic spelling corrections. It provides real-time feedback on grammar, punctuation, tone, and style. The «Thorough Mode» even offers deeper insights for refining your writing structure and expression.

Paraphrasing and Rewriting

With built-in paraphrasing capabilities, users can rewrite sentences for clarity or style. This feature is especially useful for avoiding repetition, adjusting tone, or creating more engaging copy.

Multilingual Support

LanguageTool supports over 30 languages, including:

• English
• German
• French
• Spanish
• Portuguese
• Dutch
• Russian
• Polish
• Arabic
• Japanese
• Chinese
• Korean
• And more

It automatically detects the language you're using and provides language-specific suggestions.

Platform Compatibility

Browser Extensions

LanguageTool offers browser extensions for Chrome, Firefox, Edge, Safari, and Opera. These allow you to edit confidently on any website, including Gmail, Google Docs, WordPress, and social media platforms.

Desktop and Office Apps

Available for Windows, macOS, and Linux, LanguageTool integrates with text editors like Microsoft Word, LibreOffice, and Apple Pages. It also includes plugins for Gmail, Outlook, and Thunderbird, ensuring professional communication in any email client.

Web and API Access

You can use LanguageTool through its web interface or integrate it with your own apps via the LanguageTool API. The API supports both individual and enterprise-level implementations for real-time text correction and analysis.

Smart Tools for Better Writing

Personal Dictionary and Writing Stats

Premium users can access features like a personal dictionary and usage statistics. This helps writers track progress, understand frequent mistakes, and continuously improve their skills.

Privacy-Focused Design

LanguageTool is built with privacy in mind. It does not store or share your texts. All corrections are processed securely, ensuring your sensitive content stays private.

Trusted by Leading Institutions

LanguageTool is used by renowned organizations like BMW Group, the European Union, Spiegel Magazine, and Max Planck Society. Its accuracy, ease of use, and cross-platform compatibility make it a top choice for multilingual writing support.