LanguageTool
Instantly correct grammar, spelling, and style errors in over 30 languages. Enhance writing clarity with AI suggestions and tone adjustments.
LanguageTool is an open-source alternative to:
LanguageTool is an AI-based writing assistant that helps you correct grammar, spelling, and style mistakes in real-time. Whether you're drafting an email, writing a document, or creating content, LanguageTool ensures your text is polished and professional.
Key Features
- Grammar & Spelling Check: Detects and corrects grammar, punctuation, and spelling errors across 30+ languages.
- Style & Tone Suggestions: Provides recommendations to improve clarity, conciseness, and readability.
- Paraphrasing Tool: Rewrites sentences to enhance originality and avoid plagiarism.
- Browser & App Integrations: Available as extensions for Chrome, Edge, Firefox, Safari, and Opera, as well as plugins for Microsoft Word, Google Docs, and email clients.
- Picky Mode: Advanced suggestions for perfectionists, including long sentence detection and colloquialism recognition.
- Statistics & Insights: Tracks writing patterns and provides detailed analytics on text quality.
- API Access: Integrate LanguageTool’s proofreading capabilities into your own applications.
Tech / Self-Hosting
LanguageTool is primarily a cloud-based service, but it also offers a self-hosted version for businesses and enterprises. The self-hosted solution ensures data privacy and compliance with GDPR and other regulations. The open-source core is available on GitHub, allowing for customization and self-hosting for advanced users.