---
title: LanguageTool
description: LanguageTool is open-source proofreading software for English, Spanish, French, German, Portuguese, Polish, Dutch, and more than 20 other languages. It finds many errors that a simple spell checker cannot detect.
hero:
  tagline: LanguageTool is open-source proofreading software for English, Spanish, French, German, Portuguese, Polish, Dutch, and more than 20 other languages. It finds many errors that a simple spell checker cannot detect.
  image:
    file: https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/languagetool.webp
  actions:
    - text: Source
      link: https://github.com/languagetool-org/languagetool
      icon: right-arrow
    - text: Deployment Chart
      link: https://gitea.alexlebens.dev/alexlebens/infrastructure/src/branch/main/clusters/cl01tl/helm/languagetool
      icon: right-arrow
---

# Purpose

Provides higher level grammer and spell checking service.

# Notes

Used by Zettlr and a web browser extension.
