📱 QR Code Generator
Generate QR codes for URLs, text, WiFi, email, and phone numbers instantly. 100% free, no server upload, PNG download supported.
💡 Quick Examples
Example 1 – URL to QR Code
- Input
- https://util.bmsystems.biz
- Output
- 256×256 QR code image
- Use case
- Print on business cards, posters, or signage
Example 2 – WiFi QR Code
- Input
- WIFI:T:WPA;S:NetworkName;P:Password;;
- Output
- QR code that auto-connects to WiFi
- Use case
- Place at cafes or offices for easy guest access
❓ Frequently Asked Questions
A QR code (Quick Response code) is a two-dimensional barcode that can store various data types including URLs, text, contact info, and WiFi credentials. Smartphones can scan them instantly using their built-in camera app.
Click the '⬇️ Save PNG' button after generation to download a high-quality PNG file. On mobile devices, you can also long-press the QR code image to save it directly to your gallery.
You can encode URLs, plain text, email addresses (mailto:), phone numbers (tel:), SMS, WiFi credentials (WIFI:T:WPA;S:Name;P:Password;;), vCard contacts, geo-coordinates, and more.
For print use (posters, banners), choose 512px or larger. For digital display on screens, 256px is sufficient. For small prints like business cards, 128px works. Larger sizes scan more reliably, especially from a distance.
No. This generator runs entirely in your browser using JavaScript. Your input data never leaves your device, so sensitive information like WiFi passwords remains completely private.
Error correction lets a QR code be read even if partially damaged or covered. Level L restores 7%, M restores 15%, H restores 30% of damaged data. Higher correction reduces data capacity. Level M is the best balance for most uses.