SA ID Number Validator
Enter a South African ID number to validate its format, date of birth, and Luhn checksum.
This validator checks:
- Digits only, exactly 13 digits
- Valid date of birth (YYMMDD)
- Gender sequence (0000–4999 female, 5000–9999 male)
- Citizenship digit (0 = SA citizen, 1 = permanent resident)
- Luhn algorithm check digit
Format: YYMMDD SSSS C A Z — 6-digit DOB, 4-digit gender sequence, citizenship, unused digit, check digit