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Privacy: All processing runs locally in your browser. Nothing is uploaded to any server, so your data stays private and secure.
🎯 QR preview
Technical References
- ISO/IEC 18004 QR Code Specification: https://www.iso.org/standard/62021.html
Frequently Asked Questions
What content can the QR code generator handle?
Common content such as URLs and text, encoded in UTF-8 so Chinese characters and symbols work correctly.
What's the difference between error correction levels?
Four levels are offered: L/M/Q/H. Higher levels resist more dirt and occlusion but hold less data.
Is data sent to a server?
No. QR codes are generated locally in your browser and nothing is uploaded to this site. Loading the initial page resources and camera recognition still depend on the browser environment.
Can I customize the colors?
Yes, both foreground and background colors are customizable. Keep enough contrast to ensure reliable scanning.
Can it read QR codes too?
Yes. Upload a QR code image or use the camera to scan in real time. Recognition runs locally in your browser (via the jsQR engine).
Technical References
- ISO/IEC 18004 QR Code Specification: https://www.iso.org/standard/62021.html