How to Use QR Code Generator
- Step 1: Select your content type tab: Text, URL, Email, Phone, WiFi, or SMS.
- Step 2: Enter your details (e.g. website link, WiFi SSID and password, or phone number).
- Step 3: Customize foreground and background colors, pixel size (128px to 1024px), and error correction level.
- Step 4: Optionally add a center icon or upload a custom logo, then download as PNG, SVG, or WEBP.
Settings & Controls Explained
One Resizer's QR Code Generator provides specialized browser-local controls tailored to its workflow:
- 6 Content Type Tabs: Dedicated forms for Plain Text, Website URLs, Email (recipient, subject, body), Phone calls, WiFi (SSID, password, WPA/WEP/None encryption), and SMS messages.
- Color Customizer: Choose custom foreground and background colors with real-time contrast checking.
- Resolution Slider (128px to 1024px): Export crisp QR codes for digital screens or high-resolution print flyers.
- Error Correction Level: Select L (7%), M (15%), Q (25%), or H (30% - ideal when placing center logos).
- Center Logo Support: Choose built-in brand icons or upload a custom PNG logo.
Supported Formats & Technical Capabilities
| Specification | Technical Capability |
|---|---|
| Accepted Input Formats | Text, URL, Email, Phone, WiFi, SMS |
| Output File Formats | PNG, SVG vector, WEBP |
| Processing Engine | qrcode.js / qrcode-gen.min.js (UTF-8 byte mode) |
| Network Privacy | Local browser processing (0 bytes uploaded) |
Best Practices & Key Recommendations
- Always test your generated QR code with your smartphone camera before printing.
- Maintain high contrast between foreground and background colors (dark code on light background is most reliable).
- Use Error Correction Level 'H' (30%) if you embed a center logo so the code scans effortlessly.
Troubleshooting & Common Issues
- QR code is hard to scan: Increase the color contrast or reduce the complexity of the encoded URL (use shorter links if possible).
- Special characters or emojis: UTF-8 multi-byte encoding is automatically handled for international characters.