Dominican ID Checksum Calculator

Validate Cédulas and MRZ data using Luhn and ICAO 9303 algorithms.

1. Cédula (Luhn Algorithm)

Enter the first 10 digits of the ID to calculate the 11th validation digit.

2. MRZ Field (Date / Doc No)

Calculate the checksum for a Document Number or Date (format YYMMDD).

3. Master Composite Checksum

Paste the concatenated string of the Document Number, DOB, Expiry, and Personal Number (including their individual check digits and any trailing fillers).