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QR Code Generator
Convert text, URLs, contacts into QR codes. Download as image.
What is a QR Code?
- β’ QR (Quick Response): A 2D barcode designed for fast scanning.
- β’ Invented in 1994 by Denso Wave in Japan, now used worldwide.
- β’ Can store up to 7,089 numeric or 4,296 alphanumeric characters.
- β’ Features error correction that allows recovery even if 30% damaged.
QR Code Applications
β’ URLs: Share website links
β’ Payments: Mobile payment systems
β’ Business Cards: Contact info sharing
β’ WiFi: Easy network connection
β’ Authentication: Building/event access
β’ Product Info: Detailed specifications
β’ Menus: Contactless restaurant ordering
β’ Marketing: Promotions and coupons
Tips for Better QR Codes
- β’ Use URL shorteners: Shorter data creates simpler QR codes.
- β’ Adequate size: Print at least 2x2 cm for reliable scanning.
- β’ High contrast: Dark code on light background works best.
- β’ Quiet zone: Leave white space around the QR code.
- β’ Test first: Scan with multiple devices before printing.