Smart URL Notes

Context-aware note taking. Save Markdown notes that automatically appear on matching URLs.

🎯 Never Forget Important Information Again Smart URL Notes brings your notes to you automatically. Stop searching through bookmarks or memory - your notes appear instantly when you visit matching pages. ✨ KEY FEATURES 🎯 Smart URL Matching Create rules using exact URLs, domains, wildcards, or regex patterns. Match a single page or entire domains - test patterns in real-time before saving. 📝 Full Markdown Support Write rich, formatted notes with headings, lists, code blocks, links, and more. Your notes look professional and are easy to read. ⚡ Instant Access Notes appear automatically in your toolbar when you visit matching pages. View in popup or open the side panel for persistent access while browsing. 🔒 Privacy First All data stored locally in your browser. No cloud sync, no tracking, no external servers. Your notes stay private on your device. Works completely offline. 💾 Backup & Restore Export all notes and rules to JSON for backup or transfer between browsers. Never lose your important information. 💼 PERFECT FOR 👨‍💻 Developers: Save API endpoints, deployment commands, and troubleshooting notes for your projects 📚 Students & Researchers: Build a personal knowledge base from documentation and tutorial sites 🏢 Professionals: Document processes, client notes, and quick reference guides 🔍 Power Users: Organize information across hundreds of websites with advanced regex patterns 📖 HOW IT WORKS 1️⃣ Create Rules - Define which URLs show your notes (Domain, Exact, Wildcard, or Regex) 2️⃣ Write Notes - Create Markdown-formatted notes and attach them to rules 3️⃣ Automatic Display - Notes appear instantly when you visit matching pages 🎯 USE CASES 📌 Project Documentation: Save API endpoints and deployment commands that appear automatically on project pages 🔍 Research & Learning: Keep track of key concepts and code examples from documentation sites 🐛 Bug Tracking: Document known issues and workarounds for specific pages 📚 Knowledge Base: Build your personal reference library from tutorial sites and Stack Overflow 🔒 PRIVACY & SECURITY ✅ All data stored locally in your browser ✅ No cloud sync, no tracking, no analytics ✅ Works completely offline ✅ Never reads page content - only checks URLs ✅ Minimal permissions required Your notes stay private on your device. Period. Made with ❤️ by X3 Software Studio