LanguageTool Review 2026
by LanguageTooler GmbH
Open-source grammar checker supporting 30+ languages and self-hosting.
Starting Price
Free
Pricing Model
freemium
Free Tier
Yes
Category
Grammar Checkers
Overview
LanguageTool is an open-source grammar and style checker that supports over 30 languages. The Premium tier adds AI-powered suggestions; self-hosting is available for privacy-sensitive organisations.
Pros
- ✓30+ language support including German, French, Spanish
- ✓Self-hostable for full privacy
- ✓Generous free tier
Cons
- ✗English accuracy below Grammarly
- ✗AI suggestions require Premium
- ✗Less polished mobile experience
Key Features
- 30+ language grammar check
- AI-enhanced suggestions
- Self-hosting option
- Browser extensions
- Google Docs add-on
Pricing
Free tier. Premium: $4.99/mo (annual). Teams: $6.99/user/mo (annual).
Check current pricing on LanguageTool →Who is LanguageTool for?
Multilingual writers, academics, and privacy-conscious teams who want open-source options
Ready to try LanguageTool?
Check the latest pricing and plans on the official site.
Visit LanguageTool →Frequently Asked Questions
Is LanguageTool free?
Yes, LanguageTool offers a free tier. Paid plans start at $4.99/mo.
How much does LanguageTool cost?
LanguageTool starts at $4.99/mo, with a free tier available. Free tier. Premium: $4.99/mo (annual). Teams: $6.99/user/mo (annual).
What is LanguageTool used for?
Open-source grammar checker supporting 30+ languages and self-hosting. Multilingual writers, academics, and privacy-conscious teams who want open-source options
Is LanguageTool worth it?
LanguageTool's main strengths are 30+ language support including german, french, spanish and self-hostable for full privacy. The main drawback is english accuracy below grammarly.
What are the best alternatives to LanguageTool?
There are several strong alternatives to LanguageTool in the Grammar & Writing Tools category. See our full comparison on the LanguageTool alternatives page for a ranked list.