# LanguageTool

Open-source grammar checker with browser extensions and a Premium tier.

LanguageTool checks grammar, punctuation, style and spelling in many languages, with free browser extensions and apps for common platforms. Premium raises the per-text character limit and adds style and rephrasing features. It suits multilingual writers and teams.

Price: Free basic checking; Premium subscription with a 14-day money-back guarantee. Site: https://languagetool.org/.

Also on the [web page](https://aiwriting.fyi/apps/languagetool).