LanguageTool
AI-powered grammar, style, and paraphrasing assistant for professional writers across 30+ languages.
- Datos: Mixed
- Nativo RGPD
- Propiedad UE
- Autoalojable
- Código abierto

LanguageTool is an open-source, German-built AI writing assistant that detects grammar, spelling, punctuation, style, and word choice errors across 30+ languages. Founded in 2003 and supported by EU funding, it offers both free and premium tiers with cross-platform integration (browsers, office apps, email) and full self-hosting capability.
LanguageTool is an open-source, German-built AI writing assistant that detects grammar, spelling, punctuation, style, and word choice errors across 30+ languages. Founded in 2003 and supported by EU funding, it offers both free and premium tiers with cross-platform integration (browsers, office apps, email) and full self-hosting capability.
Destacados
- ✓Multilingual support covering 30+ languages and dialects with automatic detection
- ✓AI-powered paraphrasing and advanced style analysis beyond basic grammar checking
- ✓Open-source and self-hostable with full HTTP and Java API documentation
- ✓Cross-platform integration (browsers, Google Docs, Word, LibreOffice, email clients) with privacy-respecting browser extension that stores no text locally
- Ubicación de los datos
- Mixed
- Precio
- Freemium
- Propiedad UE
- Sí
- Autoalojable
- Sí
Ideal para
- Professional enterprise communication across 150+ companies including BMW, EU institutions, and media outlets
- Academic writing for dissertations and research papers with multilingual dialect support
- Content teams creating in multiple languages who need consistent style and tone analysis
Una alternativa europea a
Preguntas frecuentes
- ¿LanguageTool es europeo y nativo del RGPD?
- LanguageTool — propiedad europea: Sí; nativo del RGPD: Sí; autoalojable: Sí; datos almacenados en: Mixed.
- ¿Cuánto cuesta LanguageTool?
- Modelo de precios: Freemium. Consulta el sitio de LanguageTool para planes y precios actuales.
- ¿Qué alternativas europeas hay a LanguageTool?
- Compara alternativas europeas nativas del RGPD a LanguageTool: dónde se construye, posee y aloja cada una.
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