But don’t let the aesthetics fool you. That clunky square is the single most important security feature on your ID. It is a fortress of data, a portable database, and the frontline soldier in the war against fake IDs, identity theft, and traffic fraud.
PDF417 stands for "Portable Data File 417." Unlike a standard 1D barcode (like on a cereal box) that only holds a few numbers, PDF417 is a 2D stacked barcode capable of storing over a kilobyte of data. This high capacity is essential because a driver’s license contains a significant amount of information. pdf417 drivers license
The PDF417 (Portable Data File 417) is a 2D stacked barcode symbology used as the mandatory machine-readable technology for driver's licenses and ID cards across North America. Unlike standard 1D barcodes that link to a database, the PDF417 acts as a high-capacity "portable file" that stores the actual data directly on the card. 1. Technical Overview Structure: It consists of multiple linear barcode rows stacked vertically. Each pattern within the code has 4 bars and 4 spaces, totaling 17 units in length (hence "417"). Capacity: It can hold approximately 1,100 bytes of data—roughly 1,800 printable ASCII characters. Error Correction: It features robust Reed-Solomon error correction, allowing the barcode to be read even if up to 50% of it is damaged. 2. Driver's License Standards (AAMVA) The But don’t let the aesthetics fool you
Relying on visual inspection of IDs is a liability. The PDF417 barcode on the back of a driver's license is the most secure and efficient way to verify customer identity. PDF417 stands for "Portable Data File 417
The use of PDF417 barcodes on driver's licenses offers several benefits:
Many countries and states use PDF417 barcodes on driver's licenses and identification cards to store personal data, such as:
This standard dictates exactly how the data is encoded: