LanguageTool
AI-powered grammar and style checker for over 30 languages, including rephrasing.
Introduction
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.
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.
Core features of LanguageTool
- Grammar checking
- Spelling correction
- Style improvement
- Punctuation checking
- Rephrasing tool
- Support for many languages
Use cases of LanguageTool
- 1Fixing grammar, spelling and style in everyday text
- 2Polishing emails and reports before sending
- 3Proofreading writing in a foreign language
- 4Getting live corrections while typing in the browser
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.

