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ATR Parser

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

ATRs de amostra

ATR (hex)

Inserir os bytes ATR em hexadecimal (espaços opcionais)

ATR analisado

Detalhamento de bytes

Campo	Hex	Descrição

Informações do protocolo

Protocolo
Convenção
Bytes históricos

Bytes históricos (ASCII)

Perguntas frequentes

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.