Complete Guide to QR Code Generation
What is a QR code?
QR (Quick Response) codes encode information in a 2D barcode. Scanning with a smartphone camera instantly opens website links, contact information, WiFi credentials, and more. This tool generates high-quality QR codes for free.
How to Use
Step 1: Enter a URL or text. Step 2: Adjust the size with the slider (100-400px). Step 3: Click 'Download as PNG' to save the image.
Use Cases
• Add website link to business cards • Link detailed info on posters/flyers • Product packaging with manual links • Share WiFi info at events • Quick SNS profile sharing
Frequently Asked Questions (FAQ)
- Q. Do QR codes expire?
- A. No, QR codes themselves don't expire. However, the linked URL must remain valid.
- Q. Can I download on mobile?
- A. Yes, you can save as PNG image on mobile browsers too.