Encrypted Notes

🔐 ENCRYPTED NOTES - Your Private Note-Taking Companion
Take control of your privacy with Encrypted Notes, the completely offline note-taking app that never sends your data anywhere. All your notes, checklists, and attachments stay exclusively on your device.


🛡️ PRIVACY FIRST
✓ 100% OFFLINE - No internet connection required or used
✓ ZERO DATA COLLECTION - We don't collect, transmit, or store any data
✓ NO TRACKING - No analytics, no telemetry, no third-party services
✓ NO ADS - Clean, distraction-free experience
✓ NO CLOUD - Everything stays local on your device
✓ OPEN SOURCE - Transparent and auditable code

🔒 MILITARY-GRADE ENCRYPTION
• Client-Side Encryption with ChaCha20-Poly1305
• Password-protected notes with Scrypt key derivation
• Encrypted media attachments
• No password recovery - total security
• Optional app-wide PIN lock


✨ POWERFUL FEATURES

📝 RICH TEXT EDITOR
Format your notes with bold, italic, underline, lists, and more. Full-featured toolbar for professional-looking notes.

✅ CHECKLISTS
Create and manage to-do lists within notes. Perfect for shopping lists, tasks, and reminders.

📎 ATTACHMENTS
• Add photos from gallery or camera
• Record and attach audio notes
• Attach videos
• All media encrypted when note is locked

🔗 SAVE LINKS
Store important URLs with descriptions directly in your notes.

🏷️ ORGANIZE
• Custom tags for easy categorization
• Color-code your notes
• Pin important notes to the top
• Powerful search function

🎨 BEAUTIFUL & CUSTOMIZABLE
• Three stunning themes: Light, Dark, and Dusk
• Optimized for OLED displays
• Clean, modern interface
• Smooth animations

🌍 MULTILINGUAL
• German (Deutsch)
• English
• Russian (Русский)

💾 BACKUP & RESTORE
• Export all notes as JSON
• Import backups anytime
• Complete control over your data
• Encrypted notes stay encrypted in backups

🎯 PERFECT FOR
• Security-conscious users
• Journalists and researchers
• Business professionals
• Students
• Anyone who values privacy
• Personal journaling
• Sensitive information storage

⚡ TECHNICAL DETAILS
• Built with React Native and Expo
• Local SQLite database
• ChaCha20-Poly1305 encryption algorithm
• Scrypt password hashing (N=2^9, r=8, p=1)
• 256-bit encryption keys
• No internet permissions required