ISO/IEC 14443 Frame Explorer
Decode ISO/IEC 14443-3 anti-collision frames (REQA, WUPA, ATQA, SAK) and 14443-4 T=CL frames (RATS, I-block, R-block, S-block). The contactless-protocol counterpart to the APDU parser.
Input
Decoded
Pick a frame type and paste bytes.
All decoding runs locally.
About ISO 14443
ISO/IEC 14443 is the contactless protocol stack used by transit cards, payment cards, and FIDO NFC authenticators. Part 3 covers anti-collision; part 4 (T=CL) carries APDU traffic on top of the I-block / R-block / S-block envelope.
Spec
ISO/IEC 14443-3 §6 (anti-collision); 14443-4 §7 (block format).