🔳 二维码生成器QR Code Generator

使用说明与常见问题How-to & FAQ

「二维码生成器」是什么？What is the QR Code Generator?

免费在线生成二维码，支持网址、文本，可下载图片。Free online QR code generator for URLs and text, download as image.

如何使用「二维码生成器」？How do I use the QR Code Generator?

在「二维码生成器」中，按需设置「像素大小」、「容错」等选项，然后点击「生成」按钮即可。In the QR Code Generator: Set "Cell size", "Error level", then click "Generate".

二维码能存多少内容？How much can a QR code hold?

最多约 2900 字节，内容越多二维码越密。Up to about 2,900 bytes; more content means a denser code.

容错等级是什么？What is error correction level?

H 级容错最高，即使部分被遮挡也能识别，但码更密。H offers the highest redundancy so a partly covered code still scans, at the cost of density.

生成的二维码会过期吗？Do the codes expire?

不会，二维码是静态的，永久有效。No, these are static codes and never expire.

「二维码生成器」免费吗？需要注册吗？Is the QR Code Generator free? Do I need an account?

「二维码生成器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The QR Code Generator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.