FThe Free AI Index
WRT-03Free plan

LanguageTool

Grammar and style checker for more than 30 languages, including Arabic, with browser extensions.

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What is LanguageTool?

LanguageTool is a grammar and style checker that supports more than 30 languages, including Arabic, French, Spanish and German. It is a good choice if you write in more than one language and want one tool for all of them.

Used for

Grammar and style checker for more than 30 languages, including Arabic, with browser extensions.

Best for

Multilingual proofreading

Price

LanguageTool has a free plan with usage limits, and paid plans add more.

How to start for free

  1. Go to languagetool.org or install the extension.
  2. Paste or type your text and choose the language.
  3. Fix highlighted errors and review style tips.

Strengths

  • Supports many languages
  • Open-source core

Limits to know

  • Advanced style suggestions are paid
  • Long texts have limits on the free plan

Learn more

The Best Free AI Tools for Students in 2026, Free AI Tools for Writing Articles That Rank and Read Well

Free plans and limits change often. Check the current details on the official LanguageTool website before relying on it for important work. Last reviewed October 2026.