LanguageTool

Open-source grammar and style checker for 30+ languages.

Filed under: Writing

About LanguageTool

LanguageTool is a privacy-friendly, open-source grammar checker supporting 30+ languages with style suggestions. Writers and teams use its browser add-ons and editor integrations. Unlike big-tech alternatives, it can be self-hosted.

Looking for more options? Browse our full AI writing tools directory, or see how LanguageTool compares with popular alternatives like Jasper and Grammarly.

Key features

  • 30+ languages
  • Open-source, self-hostable
  • Style suggestions
  • Browser and editor add-ons
  • Free tier

LanguageTool screenshots

LanguageTool screenshot

LanguageTool: pros & cons

Pros

  • 30+ languages
  • Open-source, self-hostable
  • Style suggestions
  • Free plan available to get started

Cons

  • Best features require a paid upgrade
  • Learning curve for advanced features
  • Output quality depends heavily on input quality

LanguageTool FAQs

Is LanguageTool free?
Yes, LanguageTool offers a free plan with basic features. Paid plans unlock higher limits and advanced capabilities.
What is LanguageTool used for?
LanguageTool is open-source grammar and style checker for 30+ languages.
What are the key features of LanguageTool?
Key features include 30+ languages, open-source, self-hostable, style suggestions.
Who should use LanguageTool?
LanguageTool is designed for writers, bloggers, and content teams.