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LanguageTool

Grammar and style checking in dozens of languages.

Tool·Text & Writing·Freemium

LanguageTool screenshot

About LanguageTool

LanguageTool checks grammar, spelling and style in many languages, with an open source core you can even self-host. The free tier checks text with length limits per check, and Premium adds advanced style suggestions.

Best for: Use this when you write in multiple languages and want one checker for all of them.

Pros

  • Strong multilingual support, not just English
  • Open source core with a self-hosting option
  • Browser extensions bring it everywhere you type

Cons

  • Free tier has text length limits per check
  • Text is sent to their servers unless you self-host
  • Best style suggestions sit behind Premium

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