2Adjust the size, foreground color, background color, and error correction level
3The QR code updates in real-time
4Click Download PNG to save, or Copy Base64 to get the data URI
Frequently Asked Questions
Error correction allows the QR code to be read even when partially damaged. Level L recovers 7%, M recovers 15%, Q recovers 25%, and H recovers 30% of data.
QR codes can encode up to about 4,296 alphanumeric characters. For URLs, keep them under 2,000 characters for best scanning reliability.
Yes, you can set custom foreground and background colors. Ensure sufficient contrast for reliable scanning.