LanguageTool

LanguageTool

Multilingual grammar checker

Description

Writing English emails or papers and always worried about grammar and spelling mistakes? LanguageTool has your back—checking grammar, spelling and phrasing in 20+ languages, not just flagging errors but explaining them and suggesting fixes. Available as a web editor, browser extension and office plugins, self-hostable for privacy. A close proofreader while you write.

Features



Multilingual: supports English, Chinese and 20+ languages.

Beyond errors: explains mistakes and suggests rewrites.

Everywhere: web, browser extension, Word/Docs plugins.

Self-hostable: open-source core, deploy locally for privacy.