关于本工具
「二维码生成器」在浏览器本地用纯算法生成二维码，不依赖任何外部服务，可自定义前景/背景色、尺寸与纠错等级。 全部处理在您的浏览器本地完成，图片绝不会上传到任何服务器，既保护隐私又无需等待网络传输。
常见问题
我的图片会被上传吗？+
不会。所有处理都在您浏览器本地完成，图片不会离开您的设备。
支持批量处理吗？+
本工具为交互式 / 单文件设计，处理在本地即时完成。
二维码会过期吗？+
不会。二维码是纯静态图案，只要内容不变就能一直扫。
About
QR Code Generator Generated locally in your browser with a pure algorithm - no external service. Customise foreground/background colour, size and error correction. Everything runs locally in your browser — your images never leave your device, protecting privacy and skipping upload waits.
FAQ
Are my images uploaded?+
No. All processing happens locally in your browser; images never leave your device.
Batch supported?+
This tool is interactive / single-file by design, processed instantly and locally.
Does it expire?+
No. A QR code is a static pattern; it scans forever as long as the content is unchanged.