QR Code Generator

What is QR Code Generator (Dev)?

Quick Response (QR) codes bridge physical print media and digital web destinations with instant camera scanning. Our QR Code Generator encodes website URLs, plain text, Wi-Fi network credentials, vCard contact cards, email messages, and SMS prompts into high-resolution QR codes with customizable colors, error correction levels, and SVG/PNG vector downloads.

Designed for accuracy, speed, and privacy, this tool runs entirely on your local device with zero network latency.

How to Use the QR Code Generator (Dev)

1. 1
   Select your data type: "URL", "Text", "Wi-Fi Network", "vCard Contact", "Email", or "SMS".
2. 2
   Enter your destination content and configure custom fields (e.g., Wi-Fi SSID, password, security protocol).
3. 3
   Customize visual styling by picking Foreground and Background colors and setting the Error Correction Level (L, M, Q, H).
4. 4
   Click "Download PNG" for raster image use or "Download SVG" for scalable vector graphic print layouts.

Formula & Calculation Logic

Encodes alphanumeric data into a 2D matrix of square modules with position detection patterns, timing patterns, and Reed-Solomon polynomial math to ensure decodability even if partially damaged.