CN ID Check

Validate Mainland China 18-digit ID numbers and extract birthday, age, and gender details.

18-digit validation

Birthday and age

Region prefix

CN ID check

Validate a Mainland China 18-digit ID number and extract birthday, age, gender, and region prefix info.

ID number

Validation passed

The structure, birth date, and checksum are all valid.

Region

Birthday

Age

Gender

Checksum

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