● 100% Client-Side WebCrypto · 0 Bytes in Cloud

Deterministic PIN Generator

Calculate unbreakable 4-digit and 6-digit numeric PINs for ATM debit cards, UPI (Google Pay, PhonePe, Paytm), and SIM locks on-demand.

Bank / Card / App Name

Master Secret Key 🔒

💡 Use the same Secret Key as your passwords. FrankPass math ensures your PIN is completely separate.

PIN Length

Calculated Security PIN

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FrankPass runs 1,000,000 PBKDF2-HMAC-SHA512 rounds in your device RAM and mathematically maps the bytes into a clean numeric sequence (0-9).

With FrankPass, entering your card name and master secret sentence instantly re-creates your exact PIN on any phone or laptop.