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TSI Decoder

Decode EMV Tag 9B — Transaction Status Information — bit-by-bit per EMVCo Book 3

🔍 Input

Enter a 4-character hex string (2 bytes). Spaces are OK.

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📖 About This Tool

What is the TSI Decoder?

The TSI Decoder interprets Transaction Status Information (EMV Tag 9B), a 2-byte value indicating which processing steps have been completed during an EMV transaction.

🛠️ How to Use
  1. Enter the 4 hex character TSI value (Tag 9B).
  2. Click Decode to see each status flag.
❓ FAQ

What does the TSI show?

TSI (Tag 9B) tracks which EMV processing steps were performed: offline data authentication, cardholder verification, card risk management, issuer authentication, terminal risk management, and script processing.