EMV Card Studio

EMV Card Studio is a powerful, secure, and educational tool for reading and analyzing EMV contactless payment cards (credit/debit cards) using NFC technology. Designed for developers, security researchers, payment system professionals, and tech enthusiasts. KEY FEATURES • Complete EMV card reading via NFC with PAN, expiration, cardholder name • Support for Visa, Mastercard, Amex, Discover, JCB, GiroCard, and more • 7-step EMV communication protocol visualization • Advanced APDU analysis with hex dump visualization and color coding • 500+ EMV tag dictionary with human-readable interpretations • ISO country/currency code translation • Card management: custom categories, favorites, search, duplicate detection • Side-by-side card comparison • APDU tools: command builder, templates, interactive NFC test sessions • Comprehensive EMV reference with tag search and custom tag support • Charts and statistics: card type distribution, transaction patterns • Export to HTML reports and encrypted JSON SECURITY & PRIVACY • Military-grade AES-256 encryption (SQLCipher) • Hardware-backed key storage (Android Keystore) • Optional biometric authentication • PAN masking (4 levels) • Screenshot protection • Clipboard auto-clear (30s) • 100% offline - no internet connectivity • No data transmission or sharing • No analytics, tracking, or ads • No in-app purchases - full access with purchase TECHNICAL SPECIFICATIONS • NFC: ISO 14443-4 (IsoDep) • Encryption: AES-256-GCM • Android: 10+ (API 29+) • Size: ~16 MB (with App Bundle) EDUCATIONAL USE CASES • Mobile payment developers • Security researchers and ethical hackers • Payment system engineers • University students (computer science, cybersecurity) • PCI-DSS compliance auditing • EMV protocol learning • NFC technology exploration IMPORTANT NOTES • Educational tool - not for payment processing • Reads only YOUR OWN cards (NFC range: < 4cm) • Cannot read CVV/CVC or PIN (not accessible via NFC) • Does not perform transactions • Complies with PCI-DSS data storage guidelines