The QR Code barcode belongs to the 2D Codes family. Most popular 2D code — URLs, text, Wi-Fi, payments. On this page you can generate QR Code barcodes directly in your browser: enter your data, watch the preview update in real time, then download the finished symbol as PNG or SVG. Rendering happens locally on your device — nothing you type is ever uploaded to a server.
Two-dimensional symbologies encode data in both directions and carry built-in Reed-Solomon error correction, so the symbol stays readable even when part of it is damaged. Because they can hold hundreds of characters, 2D codes are used for tickets, boarding passes, item tracking, and mobile payments. They are read by camera-based imagers rather than laser scanners.
QR Code codes are used for tickets, boarding passes, payment codes, electronic IDs, and small-item traceability. Because the data is fixed inside the symbol at generation time, a printed QR Code barcode keeps working indefinitely — there is no service behind it, no expiry date, and no per-scan fee.