Frequently Asked Questions

What is StackQR?

StackQR is a smart QR code generator that uses natural language processing to create QR codes from simple text descriptions. Just describe what you want (like "QR code for my website https://example.com") and StackQR generates the appropriate QR code.

What types of QR codes can I generate?

StackQR supports generating QR codes for:

  • URLs and website links
  • Email addresses (with optional subject and body)
  • Phone numbers
  • WiFi network credentials (WPA/WPA2)
  • SMS messages
  • Plain text content

Is my data safe and private?

Yes! All QR code generation happens entirely in your browser. No data is sent to any server. Your information never leaves your device, ensuring complete privacy and security.

Can I edit a QR code after creating it?

Absolutely! Click the edit button on any generated QR code to modify its content. The QR code will update automatically with your changes.

What image formats are supported?

You can download QR codes in five formats:

  • PNG: Best compatibility with tEXt and EXIF metadata
  • JPEG: Smaller file size with EXIF metadata
  • WebP: Modern format with EXIF metadata
  • SVG: Vector format for perfect scaling
  • GIF: Universal compatibility

All formats include embedded metadata for better organization.

Can I generate multiple QR codes at once?

Yes! StackQR can generate multiple QR codes from a single prompt. Use the "Download All" button to get all generated codes as a ZIP archive.

Is there a limit to how many QR codes I can create?

There are rate limits to prevent abuse, but they're generous for normal use. You can generate many QR codes per day without hitting any limits.

Do QR codes expire?

No! QR codes generated by StackQR are static and never expire. They contain the information you provided and will work forever.

Can I use StackQR for commercial purposes?

Yes! You're free to use the generated QR codes for any purpose, including commercial use.