SecureOTP - Universal OTP Extractor — Open Source Password Manager App

SecureOTP is a smart, privacy-focused Android utility that automatically detects, extracts, and copies OTP (One-Time Password) codes from ANY app notifications to your clipboard instantly. Universal App Support • SMS Messages - All messaging apps • Email - Gmail, Outlook, Yahoo, ProtonMail, etc. • Banking Apps - All major banks and fintech apps • Social Media - WhatsApp, Instagram, Facebook, Twitter, Telegram • Payment Apps - PayPal, Paytm, PhonePe, Google Pay • 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 (4-8 digit codes) 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 Permissions Abuse - Only uses NotificationListenerService 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 Performance • Instant OTP detection as notifications arrive • Auto-copy to clipboard - ready to paste immediately • Minimal memory footprint • Optimized for low-end devices Requirements • Android 8.0 (API 26) or higher • No internet connection needed • No account setup required Open Source SecureOTP is fully open source. View the code, contribute, or report issues on GitHub: https://github.com/26JATIN/SecureOTP