QR Code Generator

Core Features

1. Multiple Data Types

Generate QR codes for various data types with automatic formatting.

Supported Types:

• URL - Websites and web links
• Text - Plain text messages
• WiFi - WiFi network credentials
• vCard - Contact information (VCF format)
• Email - Email addresses with optional subject/body
• Phone - Phone numbers (tel: links)
• SMS - SMS messages with recipient and text
• Geo - Geographic coordinates
• Event - Calendar events (iCal format)
• Custom - Any custom data

2. Customization Options

Personalize QR code appearance:

• Foreground and background colors
• Custom error correction levels
• Border size adjustment
• Module size control
• Logo/image embedding

3. Multiple Export Formats

Export in various formats for different use cases:

• PNG - Raster images (default)
• SVG - Vector graphics (scalable)
• PDF - Print-ready documents
• EPS - Vector format for design tools
• Terminal - ASCII art for terminal display

4. Batch Processing

Generate multiple QR codes from:

• Text files (one entry per line)
• CSV files (with metadata)
• JSON files (with configuration)

Basic Usage

URL QR Codes

Generate QR codes for websites and links.

# Simple URL
python scripts/qr.py "https://example.com"

# With custom filename
python scripts/qr.py "https://github.com" --output github_qr.png

# High error correction for printed codes
python scripts/qr.py "https://mysite.com" --error-correction H --output site_qr.png

Output:

QR code generated: qrcode.png
Size: 290x290 pixels
Error correction: M (Medium)
Data: https://example.com

Text QR Codes

Encode plain text messages.

# Simple text
python scripts/qr.py --type text "Hello, World!"

# Multi-line text
python scripts/qr.py --type text "Line 1\nLine 2\nLine 3" --output message.png

# Large text (automatic size adjustment)
python scripts/qr.py --type text "$(cat message.txt)" --output text_qr.png

WiFi QR Codes

Create scannable WiFi credentials.

# WPA/WPA2 network
python scripts/qr.py --type wifi --ssid "MyNetwork" --password "SecurePassword123"

# WPA2 network (explicit)
python scripts/qr.py --type wifi --ssid "HomeWiFi" --password "pass123" --security WPA

# Hidden network
python scripts/qr.py --type wifi --ssid "SecretNet" --password "secret" --hidden

# Open network (no password)
python scripts/qr.py --type wifi --ssid "GuestNetwork" --security nopass

Security types: WPA, WEP, nopass

Output QR contains:

WIFI:T:WPA;S:MyNetwork;P:SecurePassword123;H:false;;

Contact Cards (vCard)

Generate vCard QR codes for easy contact sharing.

# Basic contact
python scripts/qr.py --type vcard --name "John Doe" --phone "+1234567890"

# Full contact details
python scripts/qr.py --type vcard \
  --name "Jane Smith" \
  --phone "+1234567890" \
  --email "[email protected]" \
  --organization "Tech Corp" \
  --title "Senior Developer" \
  --url "https://janesmith.com" \
  --address "123 Main St, City, State, 12345" \
  --output jane_contact.png

# Multiple phone numbers
python scripts/qr.py --type vcard \
  --name "Bob Johnson" \
  --phone "+1234567890" \
  --phone-home "+0987654321" \
  --email "[email protected]"

Generated vCard format:

BEGIN:VCARD
VERSION:3.0
FN:John Doe
TEL:+1234567890
END:VCARD

Email QR Codes

Create mailto: links with optional subject and body.

# Simple email
python scripts/qr.py --type email --email "[email protected]"

# With subject
python scripts/qr.py --type email --email "[email protected]" --subject "Support Request"

# With subject and body
python scripts/qr.py --type email \
  --email "[email protected]" \
  --subject "Inquiry" \
  --body "I would like more information about..."

Output QR contains: