Portuguese ID Card Generator
Generate valid Portuguese Cartão de Cidadão numbers for testing purposes.
Generate ID Card Number
Create a valid Portuguese Cartão de Cidadão number
Click generate to create an ID number
About Portuguese ID Card
The Cartão de Cidadão is the Portuguese national identity card.
The Portuguese Cartão de Cidadão number (old format) consists of 12 characters: 9 digits, 2 letters, and 1 check digit.
Format:
- • 9 main digits
- • 2 letters (positions 10 and 11)
- • 1 check digit (position 12, calculated by the Luhn algorithm)
Example format: 123456789ZZ1
Important: Generated numbers are for testing only. They follow the format and validation rules but are not registered identity cards.
Use cases:
- • Testing identity verification systems
- • Developing government service applications
- • Creating demo data for Portuguese platforms
- • QA and automated testing