EMV Decoder
Tool
Decode EMV transaction data tags — bit by bit. Enter a hex value and instantly see what every bit means, sourced directly from EMVCo specifications.
Available Decoders
Select a Tag to Decode
Terminal Capabilities
Card Data Input, CVM, and Offline Data Authentication capabilities.
Additional Terminal Capabilities
Transaction Type, Data Input/Output, and Language capabilities.
Terminal Verification Results
Results of ODA, CVM, Authentication, and other processes.
CVM Results
CVM Performed, Condition Code, and CVM Result from the transaction.
Transaction Status Indicator
Indicates which processing steps were performed during the transaction.
Application Interchange Profile
Application functions supported by the card (ODA, TRM, CVM, etc.).
Terminal Transaction Qualifiers
Reader Capabilities, CVM Requirements, and Additional Capabilities.
Terminal Risk Management Data
Application-specific TRM data used by MasterCard for contactless.
Enhanced Contactless / Form Factor
Amex ECRC, Visa Form Factor Indicator, or MasterCard Third-Party Data.
Application Identifier List
Common AIDs for Visa, MC, Amex, Discover, JCB, UnionPay, and Interac.
About This Tool
Built for Payment Professionals
Bit-Level Decoding
Every bit in every byte decoded with full EMVCo label descriptions.
EMVCo Spec Accurate
Definitions sourced from EMVCo Books 3, 4, and C-4.
All Major Tags
9F33, 9F40, 95, 9F34, 9B, 82, 9F66, 9F1D, 9F6E covered.
Contactless Support
TTQ, TRM, and 9F6E decoders for contactless payment processing.
AID Reference
Complete AID list for Visa, MC, Amex, Discover, JCB, UnionPay, Interac.
Hartley Enterprises, Inc.
An Atlanta-based consulting company specializing in Payment Processing, Integrations, and EMV Certifications. Founded in 1999, HEI provides consulting, business process redesign, training, and development for a client list including individual merchants, ISOs, VARs, and the largest payment processing companies in the world.