Online CNP Validation

Quickly check whether a Romanian Personal Identification Number is valid. The tool analyzes the sex and category digit, date of birth, county code, and check digit.

  • Complete CNP structure validation using the official algorithm
  • Decoding of sex, date of birth, county, and check digit
  • Works directly in your browser with no registration required
CNP Validator Enter all 13 digits
Example: 1960527400195 — without spaces or hyphens.

The validation is temporary and anonymous. We do not store the CNP you enter.

Quickly check whether a Romanian Personal Identification Number is valid. The tool analyzes the sex and category digit, date of birth, county code, and check digit.

  • Complete CNP structure validation using the official algorithm
  • Decoding of sex, date of birth, county, and check digit
  • Works directly in your browser with no registration required

All Available Tools

Free online tools for validating, generating, and checking Romanian CNPs.

Frequently Asked Questions

Answers to frequently asked questions about this page.

Enter the 13 digits of the CNP into the form, and the validator checks the complete structure: S digit, date of birth, county code, and control digit.

A valid CNP can reveal the person's gender, date of birth, encoded county or sector, and the validity of the control digit.

The message appears when the number does not have exactly 13 digits, the encoded date is impossible, the county code is invalid, or the control digit does not match the official algorithm.

No. Verification is temporary and anonymous, and the tool is not designed to retain user-submitted CNPs.