Resident registration number validation and analysis
Verify the format by checksum and extract date of birth, gender, and international age. Processed in your browser, nothing stored.
🔒 The number you entered isIn your browser onlyis checked locally and is never sent to or stored on a server.
Validate a resident registration number and extract the birth date
- Validates the format with the checksum rule and extracts the birth date and gender.
- For validation and analysis only; it does not generate numbers. Do not use or collect others' numbers without permission.