Are the smart card tools free to use?

ATR Parser

Decode ATR (Answer to Reset) hex strings: initial character, interface bytes, and card identification.

ATRs de muestra

ATR (hex)

Introducir los bytes ATR en hexadecimal (espacios opcionales)

ATR analizado

Desglose de bytes

Campo	Hex	Descripción

Información del protocolo

Protocolo
Convención
Bytes históricos

Bytes históricos (ASCII)

Preguntas frecuentes

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.