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