ATR Parser
Paste an ATR (Answer to Reset) hex string and decode every byte: initial character, format byte, interface bytes (TA/TB/TC/TD), historical bytes, and check character. Identify the card if possible.
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Häufig gestellte Fragen
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.