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LanguageTool

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Introduction:
AI-powered grammar and style checker for over 30 languages, including rephrasing.
Added on:
Nov 1, 2026
Website:
languagetool.org
FreemiumWritingAI Grammar Checker
LanguageTool homepage
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Introduction

Description shown in its original language (English).

AI-powered grammar and style checker for over 30 languages, including rephrasing.

Added on
Nov 1, 2026
Website
languagetool.org
Pricing model
Freemium

Product information

What is LanguageTool?

LanguageTool is an AI grammar checker that goes beyond spelling to a full analysis of your writing. It reviews grammar, word choice and style, and can tell optional commas from required ones. More than 30 languages and dialects are covered.

Core features of LanguageTool

  • Grammar checking
  • Spelling correction
  • Style improvement
  • Punctuation checking
  • Rephrasing tool
  • Support for many languages

Use cases of LanguageTool

  1. 1Fixing grammar, spelling and style in everyday text
  2. 2Polishing emails and reports before sending
  3. 3Proofreading writing in a foreign language
  4. 4Getting live corrections while typing in the browser

How to use LanguageTool?

Paste your text or type in the editor to see grammar and spelling issues flagged. Install the browser add-on to get suggestions in real time as you write online.

Frequently asked questions about LanguageTool

What is LanguageTool?+

LanguageTool is an AI-based grammar checker that corrects spelling, grammar, word choice and style.

How do I use LanguageTool?+

Paste or type your text in the editor, or use the browser add-on for real-time suggestions while writing online.

Can LanguageTool catch comma mistakes?+

Yes. Its punctuation checker can distinguish optional commas from required ones.

Which category is LanguageTool in?+

LanguageTool is listed under Writing, AI Grammar Checker.

LanguageTool tags

grammarwriting

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