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DOLs Decoder

Decode EMV Data Object Lists — PDOL, CDOL1, CDOL2, DDOL, TDOL — into Tag + Length entries

🔍 Input

Paste the hex value of a PDOL (Tag 9F38), CDOL1 (Tag 8C), CDOL2 (Tag 8D), DDOL (Tag 9F49), or TDOL (Tag 97). Spaces OK.

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📖 About This Tool

What is the DOLs Decoder?

The DOLs Decoder parses EMV Data Object Lists including PDOL, CDOL1, CDOL2, DDOL, and TDOL. These lists specify which data elements the card or terminal must provide during specific processing steps.

🛠️ How to Use
  1. Enter the DOL hex value.
  2. Select the DOL type (PDOL, CDOL1, CDOL2, DDOL, or TDOL).
  3. Click Decode to see the requested tag and length pairs.
❓ FAQ

What are DOLs in EMV?

DOLs (Data Object Lists) are ordered lists of tag-length pairs that specify which data the card requests from the terminal. PDOL is for SELECT, CDOL1/CDOL2 for GENERATE AC, DDOL for INTERNAL AUTHENTICATE, and TDOL for default DDOL.