For physical printing, prefer 512 or 1024px to ensure good readability?

For physical printing, prefer 512 or 1024px to ensure good readability.

Keep good 对比度之间 the QR code 颜色 and the 背景 — avoid similar 颜色?

Keep good 对比度之间 the QR code 颜色 and the 背景 — avoid similar 颜色.

Always test the QR code with your smartphone 在打印前 or publishing it.

为 URL、文本、WiFi 等生成二维码

直接在浏览器中为任何文本、URL、邮箱或电话号码生成自定义二维码。

1输入你的text, URL or any other data in the input field。
2选择the QR code size: 128px (small print), 256px (standard), 512 or 1024px (high resolution)。
3自定义the QR code color and background color with the pickers。
4The preview updates in 实时.
5点击"Download PNG" to save the QR code, or "Copy"以copy it to the clipboard。