SecureOTP

A smart, battery-efficient Android utility app built with Kotlin that automatically detects, extracts, and copies OTP codes from ANY app notification — SMS, email, banking apps, social media, and more — instantly to your clipboard.

✨ Features

🌐 Universal App Support

- SMS Messages: Auto-extracts OTPs from all messaging apps - Email: Gmail, Outlook, Yahoo Mail, ProtonMail, and more - Banking Apps: All major banks and fintech apps - Social Media: WhatsApp, Instagram, Facebook, Twitter, Telegram - Payment Apps: PayPal, Paytm, PhonePe, Google Pay, and more - Any App: Works with any app that sends OTP notifications!

🎯 Smart Detection

- Intelligently identifies OTP codes even when notifications contain multiple numbers - Filters out phone numbers, dates, and tracking numbers - Context-aware pattern matching for maximum accuracy - Supports various OTP formats: - "OTP for 2310990533 is 4279" → Copies 4279 - "Your verification code: 123456" - "Use code 5678 to login" - "Authentication code is 9012" - And many more patterns!

🔋 Battery Optimized

- Efficient background processing with minimal battery impact - Smart wake lock usage (max 3 seconds per notification) - Uses coroutines for non-blocking operations - No polling, no API calls, no 24/7 background services - Hardware accelerated for smooth performance

🔒 Privacy & Security

- 100% Local Processing: All OTP extraction happens on your device - No Internet Required: Works completely offline - No Data Collection: Zero data sent to servers - Open Source: Fully transparent code you can audit - No Permission Abuse: Only uses NotificationListenerService

⚡ Performance

- Instant OTP detection as notifications arrive - Auto-copy to clipboard — ready to paste immediately - Minimal memory footprint - Optimized for low-end devices

Disclaimer

This app is for personal use to improve your OTP entry experience. Always ensure you are using it on your personal device and following your organization's security policies.

License

This project is open source. Feel free to use and modify as needed.