QR Code Generator

QR Code Generator

Generate QR codes without any external APIs or dependencies.

Quick Usage

# Generate QR code for a URL (prints to terminal)
echo "https://example.com" | curl -s "qrcode.show" -d @-

# Save as PNG
curl -s "https://qrcode.show/https://example.com" -o qr.png

# Custom size (pixels)
curl -s "https://qrcode.show/https://example.com?size=400" -o qr.png

Examples

# WiFi QR code (scan to connect)
curl -s "https://qrcode.show/WIFI:T:WPA;S:MyNetwork;P:MyPassword;;" -o wifi.png

# Contact card
curl -s "https://qrcode.show/BEGIN:VCARD%0AFULL NAME:John%0ATEL:555-1234%0AEND:VCARD" -o contact.png

# Bitcoin address
curl -s "https://qrcode.show/bitcoin:1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa" -o btc.png

Terminal Display

# Display QR directly in terminal (ASCII art)
curl -s "https://qrcode.show/Hello"

Works in any terminal. No dependencies beyond curl.