Reference & Tutorials
Barcode Guides
Technical guides for PDF417, QR Code, Data Matrix, Code 128, and AAMVA standards. From quickstarts to deep-dives on ID barcode forensics.
How to Detect a Fake or Malformed AAMVA Driver's License Barcode
A complete guide to spotting counterfeit or incorrectly formatted AAMVA PDF417 barcodes. Covers structural checks, date validation, IIN cross-matching, required fields, and common forgery patterns.
Data Matrix Generator for UDI & Industrial Marking (Free + API)
Generate Data Matrix barcodes free or via API — for FDA UDI on medical devices, GS1 element strings, electronics, and small-part marking. Module size, quiet zone, and scannability explained.
How to Generate PDF417 Barcodes in Bulk from a CSV
Learn how to generate thousands of PDF417 barcodes in bulk from a CSV file. Perfect for inventory sheets, batch shipments, and ticketing pipelines.
How to Generate a PDF417 Barcode (Free, Step by Step)
Generate a scannable PDF417 barcode free in your browser. Learn the settings that matter — columns, error correction, module width, quiet zone — for print-ready output.
How to Parse an AAMVA Driver's License Barcode (PDF417)
The PDF417 on a US/Canadian driver's license encodes identity data in AAMVA format. Learn the structure, the parsing gotchas, and how to extract and validate it — or skip the spec with one API call.
PDF417 Barcode API: Quickstart for Developers
Generate PDF417 barcodes from your app with a single JSON request. Auth, parameters, response shape, rate limits, and a copy-paste example.
PDF417 vs QR vs Code 128: Which Barcode Should You Use?
Compare PDF417, QR Code, and Code 128 barcodes. Learn data capacities, scanning differences, print size limits, and industry compliance for your labels.
How to Make a QR Code (Free Generator, No Signup)
Create a free QR code in seconds — for a link, text, Wi-Fi, or contact. Learn the one setting that decides whether it scans: error correction. No signup.