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🦀 ClawHub

QR Code Generator

by @ouyangabel

Generate QR codes for text, URLs, WiFi connections, and business cards (vCard). Use when: (1) creating QR codes for websites or text, (2) generating WiFi con...

Versionv1.0.0

Downloads846

#clawhub

View on ClawHub →

TERMINAL

clawhub install qr-code-gen

📖 About This Skill

name: qr-code description: "Generate QR codes for text, URLs, WiFi connections, and business cards (vCard). Use when: (1) creating QR codes for websites or text, (2) generating WiFi connection QR codes for easy network sharing, (3) creating digital business card QR codes, or (4) any QR code generation needs. Supports saving to custom file paths."

QR Code Generator

Generate QR codes locally for various use cases. No API calls required - everything is generated on your machine.

When to Use

Share URLs quickly via QR codes

Create WiFi connection codes for guests

Generate digital business cards (vCard)

Encode any text data into QR format

Prerequisites

Install the required Python package:

pip3 install qrcode[pil]
or on Ubuntu/Debian:
sudo apt-get install python3-qrcode

Quick Start

Generate URL QR Code

python3 scripts/qr-code.py text "https://example.com"
Output: QR code saved to ~/qrcode_output.png

Generate WiFi QR Code

python3 scripts/qr-code.py wifi "MyNetwork" "myPassword"
Scan with phone to auto-connect

Generate Business Card

python3 scripts/qr-code.py vcard --name "John Doe" --phone "+1234567890" --email "john@example.com"

Commands

`text [output_path]`

Generate a QR code containing any text or URL.

Parameters:

content: The text or URL to encode

output_path: Optional. Where to save the PNG file. Defaults to ~/qrcode_output.png

Examples:

# Basic URL
python3 scripts/qr-code.py text "https://github.com"
Custom output location
python3 scripts/qr-code.py text "Hello World" ./hello_qr.png
Long URL (auto-fits to QR version)
python3 scripts/qr-code.py text "https://example.com/very/long/path?with=parameters"

`wifi [output_path]`

Generate a QR code that allows phones to connect to WiFi automatically.

Parameters:

ssid: WiFi network name

password: WiFi password

output_path: Optional output path

Supported phones:

iOS 11+ (Camera app)

Android 9+ (Camera or WiFi settings)

Most QR scanner apps

Example:

python3 scripts/qr-code.py wifi "HomeWiFi" "secretPass123" ~/wifi_qr.png

`vcard --name [options] [output_path]`

Generate a vCard (digital business card) QR code.

Options:

--name, -n (required): Full name

--phone, -p: Phone number

--email, -e: Email address

--org, -o: Organization/Company

--title, -t: Job title

--url, -u: Website URL

output: Optional output path

Examples:

# Simple card
python3 scripts/qr-code.py vcard --name "张三"
Full business card
python3 scripts/qr-code.py vcard \
  --name "John Smith" \
  --phone "+1-555-1234" \
  --email "john@company.com" \
  --org "Acme Corp" \
  --title "Senior Developer" \
  --url "https://johnsmith.dev" \
  ~/business_card.png

Tips

QR codes use high error correction - they still work even if partially obscured

For large amounts of text, the QR code will automatically use a larger version

Generated files are standard PNG images that can be printed or shared digitally

WiFi QR codes follow the universal WIFI: format standard

Troubleshooting

"Missing qrcode module" error:

pip3 install qrcode[pil]

Permission denied when saving:

Check that the output directory exists

Ensure you have write permissions

Output

All generated QR codes are saved as PNG images. The output path will be displayed after successful generation.

⚡ When to Use

Trigger	Action
- Create WiFi connection codes for guests
- Generate digital business cards (vCard)
- Encode any text data into QR format

💡 Examples