How to Generate Custom QR Codes
QR (Quick Response) codes allow smartphones to scan and execute actions like opening web links, connecting to WiFi networks, or completing payments instantly.
- Choose your data format (Website URL, Plain Text, WiFi, or UPI).
- Enter your required parameters in the respective fields.
- Customize the output resolution (up to 800x800 px for print) and palette color.
- Click Generate QR Code and download your PNG file directly.
QR Code Format Support & Specifications
Each QR code format standardizes payload strings to trigger native operating system actions on Android and iOS devices:
| QR Type | Payload Schema | Default Scanner Action |
|---|---|---|
| Web Address | https://ajshaurya.in |
Launches system default web browser |
| WiFi Access | WIFI:S:MySSID;T:WPA;P:Pass;; |
Prompts instant network connection dialog |
| UPI Payment | upi://pay?pa=id@bank&pn=Name |
Opens Google Pay, PhonePe, Paytm, or BHIM |
| Plain Text | Standard UTF-8 string | Displays text with instant copy option |
Print Recommendation:
For printed flyers, visiting cards, and banners, select the 800 x 800 px size to ensure crisp scanning contrast even when scaled down.
Frequently Asked Questions
Do these QR codes have an expiration date?
No, these are standard static QR codes. They never expire and will work permanently as long as the encoded link or information remains valid.
Can I use these QR codes for commercial printing?
Yes, the generated PNG images are completely free for both personal and commercial use (menus, product packaging, posters, and business cards).
Is scanning WiFi QR codes safe?
Yes, the WiFi credentials are encrypted directly into the optical pattern and are only read locally by the scanning device without passing through intermediary servers.