Smart Card Tools
Interactive tools for smart card development. All tools run in your browser -- no data leaves your device.
APDU Command Builder
Build ISO 7816-4 APDU commands interactively. Select command type, parameters, and data to generate hex strings.
ATR Parser
Decode ATR hex strings byte-by-byte. Parse interface bytes, historical bytes, and identify smart card types.
Card Type Identifier
Identify smart cards by AID or ATR. Find card type, application, and issuing organization from hex bytes.
EAL Level Comparator
Compare EAL certification levels side by side. Evaluation depth, cost, duration, and typical smart card applications.
SIM/eSIM Migration Checker
Check eSIM support by device. Profiles, SIM slots, dual SIM, and migration steps for your phone or tablet.
Smart Card Cost Estimator
Estimate smart card cost per unit. Configure chip, form factor, certification, volume for procurement planning.
Frequently Asked Questions
Yes, all tools on SmartCardFYI are completely free with no account required. Tools run entirely in your browser (client-side JavaScript) and do not send your data to any server, ensuring privacy for sensitive information like APDU commands, ATR strings, or AID bytes.