QR Code Generator

Create QR codes for various data types including URLs, WiFi credentials, contact information, and plain text.

Quick Start

/job/.pi/skills/qr-code/qr-generate.js "https://example.com" /tmp/qrcode.png

Usage

Generate QR Code from URL/Text

/job/.pi/skills/qr-code/qr-generate.js "<data>" <output_file>

Generate WiFi QR Code

/job/.pi/skills/qr-code/qr-generate.js --wifi "SSID:password:WPA" /tmp/wifi.png

Generate Contact (vCard) QR Code

/job/.pi/skills/qr-code/qr-generate.js --contact "<name>;<phone>;<email>" /tmp/contact.png

With Custom Options

/job/.pi/skills/qr-code/qr-generate.js "<data>" <output_file> --size 512 --color "#000000" --bg "#ffffff"

Data Types

URL/Text

Plain URLs or text content.

WiFi

Format: SSID:password:encryption_type

• SSID: Network name
• password: WiFi password
• encryption_type: WEP, WPA, or nopass

Example: MyNetwork:secret123:WPA

Contact (vCard)

Format: name;phone;email;organization

• name: Full name
• phone: Phone number
• email: Email address
• organization: Company/organization (optional)

Example: John Doe;555-1234;john@example.com;Acme Inc

Email

Format: mailto:email?subject=Subject&body=Body

Phone

Format: tel:phone_number

SMS

Format: sms:phone_number?body=message

Options

Option	Default	Description
--size	256	QR code size in pixels
--color	#000000	Foreground color (hex)
--bg	#ffffff	Background color (hex)
--error	M	Error correction level (L, M, Q, H)
--type	auto	Data type: url, wifi, contact, email, tel, sms

Error Correction Levels

• L (Low): 7% recovery
• M (Medium): 15% recovery (default)
• Q (Quartile): 25% recovery
• H (High): 30% recovery

Output

Creates PNG file at specified path. Returns path on success.

Examples

# Generate simple URL QR code
/job/.pi/skills/qr-code/qr-generate.js "https://example.com" /tmp/url-qr.png

# Generate WiFi QR (for easy network sharing)
/job/.pi/skills/qr-code/qr-generate.js --wifi "HomeNetwork:password123:WPA" /tmp/wifi.png

# Generate contact card
/job/.pi/skills/qr-code/qr-generate.js --contact "Jane Doe;555-9876;jane@example.com;Tech Corp" /tmp/contact.png

# Custom styling (blue on yellow)
/job/.pi/skills/qr-code/qr-generate.js "https://example.com" /tmp/styled.png --size 512 --color "#0000FF" --bg "#FFFF00"

# High error correction for damaged environments
/job/.pi/skills/qr-code/qr-generate.js "https://example.com" /tmp/robust.png --error H

When to Use

• User requests QR code generation
• Need to share WiFi credentials easily
• Creating contact cards for networking
• Generating payment/billing QR codes
• Sharing URLs in print materials