N8N QR Code Generator Node

An N8N community node for QR Code generation with support for PIX payments, URLs, WiFi networks, and structured data.

Features

- ✅ QR Code Generation for different content types
- ✅ PIX Support - Brazilian instant payments with PIX keys
- ✅ URLs and Text - Custom links and plain text
- ✅ WiFi Networks - Share WiFi credentials easily
- ✅ vCard Contacts - Contact information sharing
- ✅ Flexible Configuration - Size, colors, error correction
- ✅ Multiple Formats - Base64, Data URL, Buffer

Installation

``bash
npm install n8n-nodes-qrcode-generator
`

Supported Content Types

$3

- Plain text
- URLs and links
- Structured JSON data

$3

- PIX Key (CPF, CNPJ, email, phone, random key)
- Merchant name
- Amount (optional - leave 0 for variable amount)
- City
- Transaction ID (optional)

$3

- Network name (SSID)
- Password
- Security type (WPA/WPA2, WEP, None)

$3

- Full name
- Phone number
- Email address
- Organization

Advanced Settings

- Output Format: Base64 Data URL, Base64 String, or Buffer
- Size: Width in pixels (default: 300px)
- Error Correction Level: Low, Medium, Quartile, High
- Margin: Spacing around the QR Code
- Colors: Customize dark and light colors

Usage Examples

$3

`json
{
"pixKey": "user@email.com",
"merchantName": "Example Store",
"amount": 25.50,
"city": "São Paulo",
"transactionId": "TXN123"
}
`

$3

`json
{
"wifiSSID": "MyNetwork",
"wifiPassword": "password123",
"wifiSecurity": "WPA"
}
`

Development

`bash

Install dependencies

npm install

Build

npm run build

Development with watch

npm run dev

Lint

npm run lint
``

PIX Implementation

This node implements the official Brazilian PIX EMV QR Code specification from the Central Bank of Brazil (BCB), ensuring compatibility with all PIX-enabled banking applications.

License

MIT