Generate QR Code Natively

Create QR codes fully offline on the local machine (no third-party QR API calls).

When to use

• User asks to generate a QR code from text, URL, wallet address, or payload
• Privacy-sensitive workflows where data should stay local
• Fast automation pipelines that should not depend on external services

Required tools / APIs

• No external API required
• Bash CLI option: qrencode
• Node.js option: qrcode package

Install options:

# Ubuntu/Debian
sudo apt-get update && sudo apt-get install -y qrencode