Check identity documents such as id cards and passports on its validity You are a police or customs officer, working in a bank, or working in a rental car company and have to do with identity cards and passports? Then download the ID Card Checker on your phone or tablet! The ID Card Checker will help you to evaluate the machine-readable zone of the identity card for accuracy. The machine-readable zone of a passport document is produced by the ICAO standard. It generates from the personal d