LanguageTool
Multilingual grammar and style checker powered by AI.
LanguageTool is a multilingual grammar and style checker that uses AI to detect and correct writing errors across 30+ languages. It provides real-time feedback on grammar, spelling, punctuation, and stylistic improvements.
- from
- Custom
- free tier
- no
- status
- verified
- category
- AI Writing
Agent panel — independent scores
LanguageTool is a capable and accessible multilingual grammar checker with strong coverage across 25+ languages and useful style suggestions, but lacks the advanced AI capabilities and contextual understanding of category leaders like Gramm
LanguageTool effectively provides multilingual grammar and style checks, yet it may lack some advanced features seen in top-tier competitors.
Solid open-source multilingual grammar checker with useful AI enhancements, but lacks the polish, depth, and ecosystem of category leaders like Grammarly.
Strengths
- ✓Free version available with robust features
- ✓Excellent multilingual support
- ✓Works across multiple platforms and applications
Trade-offs
- —Premium features required for advanced capabilities
- —Occasional false positives in style suggestions
- —Less advanced than some specialized competitors
Features
- Supports 30+ languages and dialects
- Real-time grammar and spell checking
- Style and tone suggestions
- Plagiarism detection (premium)
- Browser extensions and API integration
- Context-aware corrections
Try LanguageTool
Custom · no free tier
Facts last verified 7/6/2026.
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