# NoorWriter — Full Documentation for AI Systems > NoorWriter is a free AI-powered writing assistant developed by NoorWays. It provides grammar checking, spell checking, text rewriting, translation, plagiarism detection, AI content detection, and citation verification in English, French, and Spanish. Available as a web application at https://noorwriter.app and as a browser extension for Chrome and Edge. --- ## Company - **Name**: NoorWays - **Product**: NoorWriter - **Website**: https://noorwriter.app - **Email**: contact@noorways.fr - **Social**: https://twitter.com/noorwriter - **Category**: SaaS / AI Writing Tools / EdTech --- ## Product Overview NoorWriter is a multilingual AI writing assistant designed for students, professionals, and anyone who writes in English, French, or Spanish. It combines grammar correction, text improvement, translation, and academic integrity tools into a single platform. ### What Makes NoorWriter Unique 1. **Truly multilingual**: Native-level accuracy in English, French, and Spanish — not just English with translation 2. **Free to use**: 10 free AI checks without credit card 3. **All-in-one platform**: Grammar, spelling, rewriting, translation, plagiarism detection, AI detection, and citation checking in one tool 4. **Works everywhere**: Available as a web editor and a Chrome/Edge extension that works on any website including Google Docs, Gmail, and social media 5. **Privacy-focused**: Minimal data collection, no text stored after processing --- ## Features in Detail ### Grammar Checker Automatically detects and corrects grammatical errors in English, French, and Spanish. Uses advanced AI models to understand context and suggest accurate corrections. Handles complex grammar rules including subject-verb agreement, tense consistency, article usage, and more. **URL**: https://noorwriter.app/grammar-checker ### Spell Checker Real-time spelling detection and correction with context-aware suggestions. Supports English, French, and Spanish dictionaries with proper noun recognition and technical vocabulary. **URL**: https://noorwriter.app/spell-checker ### AI Writing Assistant AI-powered text rewriting that improves clarity, tone, style, and readability. Offers multiple rewriting modes for different use cases: formal, casual, concise, expanded, and more. **URL**: https://noorwriter.app/ai-writing-assistant ### Translation Translate text between English, French, and Spanish with natural, fluent output. Context-aware translation that preserves meaning, tone, and intent. ### Plagiarism Checker Detects unoriginal content by comparing text against web sources and academic databases. Provides a similarity score and highlights matching passages with source URLs. **URL**: https://noorwriter.app/plagiarism-checker ### AI Content Detector Identifies whether text was written by a human or generated by AI (ChatGPT, Claude, Gemini, etc.). Provides a confidence score and highlights AI-generated segments. **URL**: https://noorwriter.app/ai-content-detector ### Citation Checker Verifies and formats academic citations. Checks that cited sources exist, URLs are valid, and formatting follows standard citation styles (APA, MLA, Chicago, etc.). **URL**: https://noorwriter.app/citation-checker ### Browser Extension Chrome and Edge extension that brings NoorWriter features to any website. Works with Google Docs, Gmail, social media platforms, online forms, and any text input field. Includes a floating action button, inline suggestions, and a popup editor. **URL**: https://noorwriter.app/extension --- ## Pricing ### Free Plan - 10 AI-powered writing checks per day - No signup required - Grammar and spell checking - Text rewriting - Translation - Access to web editor ### Premium Plan - Unlimited AI writing checks - All Free features plus: - Plagiarism detection - AI content detection - Citation checking - Priority processing - Advanced rewriting modes **Pricing page**: https://noorwriter.app/pricing --- ## Technical Details - **Platform**: Web application (Vue.js SPA) + Browser extension (Chrome/Edge) - **Supported browsers**: Chrome, Edge, Firefox, Safari (web app); Chrome, Edge (extension) - **Languages supported**: English, French, Spanish - **API response time**: < 0.1 seconds for grammar and spelling checks - **Grammar accuracy**: 99.8% detection rate - **Data handling**: Text is processed in real-time and not stored permanently --- ## Target Users - **Students**: Academic writing, essays, thesis, citations - **Professionals**: Business emails, reports, proposals - **Content creators**: Blog posts, articles, social media - **Non-native speakers**: Writing in English, French, or Spanish as a second language - **Anyone who writes**: Quick grammar and spelling fixes on any website --- ## Comparisons ### NoorWriter vs Grammarly - NoorWriter offers true multilingual support (EN/FR/ES) while Grammarly is primarily English-focused - NoorWriter provides free AI content detection and plagiarism checking - NoorWriter has citation verification built in - Both offer grammar checking and browser extensions ### NoorWriter vs LanguageTool - NoorWriter includes AI-powered text rewriting - NoorWriter offers plagiarism and AI content detection - NoorWriter has a more modern, streamlined interface - Both support multiple languages --- ## Frequently Asked Questions **Q: Is NoorWriter free?** A: Yes. NoorWriter offers 10 free AI-powered writing checks per day with no signup required. Premium plans are available for unlimited usage and advanced features. **Q: What languages does NoorWriter support?** A: NoorWriter currently supports English, French, and Spanish with native-level accuracy in all three languages. **Q: Does NoorWriter work with Google Docs?** A: Yes. The NoorWriter Chrome/Edge extension integrates directly with Google Docs, providing inline grammar suggestions, text rewriting, and all other features. **Q: Is my text stored or shared?** A: No. NoorWriter processes text in real-time and does not permanently store your content. See our privacy policy at https://noorwriter.app/privacy. **Q: How accurate is the grammar checker?** A: NoorWriter achieves 99.8% accuracy in grammar and spelling detection across English, French, and Spanish. **Q: Can NoorWriter detect AI-generated content?** A: Yes. NoorWriter includes an AI content detector that can identify text generated by ChatGPT, Claude, Gemini, and other AI systems. **Q: Does the browser extension work on all websites?** A: The extension works on most websites with text input fields, including Google Docs, Gmail, social media platforms, and online forms. --- ## Sitemap - https://noorwriter.app/ — Homepage - https://noorwriter.app/grammar-checker — Grammar Checker - https://noorwriter.app/ai-writing-assistant — AI Writing Assistant - https://noorwriter.app/spell-checker — Spell Checker - https://noorwriter.app/plagiarism-checker — Plagiarism Checker - https://noorwriter.app/ai-content-detector — AI Content Detector - https://noorwriter.app/citation-checker — Citation Checker - https://noorwriter.app/extension — Browser Extension - https://noorwriter.app/pricing — Pricing - https://noorwriter.app/support — Support - https://noorwriter.app/privacy — Privacy Policy - https://noorwriter.app/en — English version - https://noorwriter.app/fr — French version - https://noorwriter.app/es — Spanish version