# Qr

> QR code generation — terminal display, PNG output, pure shell encoding. Zero barrier — use with x-cmd, Python qrcode, or any QR library. Use for "qr", "qrcode", "barcode", "encode".

- Skill: `x-cmd/qr` (Agent Skill)
- Install (CLI): `npx skillmds@latest add x-cmd/qr`
- Raw SKILL.md: https://api.skillmd.com/api/skills/x-cmd/qr/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: x-cmd (https://skillmd.com/u/x-cmd)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/x-cmd/qr

---



# qr — skill0

Generate QR codes from text or URLs. Terminal display, PNG output, or pure shell encoding.

## Quick Start

```bash
# With x-cmd
x qr "Hello World"                   # Terminal QR code
x qr "https://example.com"           # URL to QR

# Without x-cmd — use Python
pip install qrcode
python3 -c "import qrcode; qrcode.make('Hello').save('qr.png')"

# Or use online API
curl -s "https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=Hello" -o qr.png
```

## What's Available

- Terminal — Display QR in terminal
- PNG — Generate PNG file
- Pure shell — AWK-based encoding (no deps)

## This skill0 grows

Starting with the essentials. Will add:
- QR encoding algorithms
- Error correction levels
- WiFi QR format

## Related