Generate QR codes online - turn text, URLs and more into high-res PNG QR codes, with error-correction level, size and color options. 100% local, nothing uploaded.
Encode URLs, text, contact info and more into high-res QR codes with custom level, size and colors.
了解二维码生成器支持的内容类型、参数选项与常见问题。What this QR code generator does, its options, and answers to common questions.
二维码生成器能把网址、纯文本、邮箱、电话、WiFi 信息等内容编码为二维码,实时预览并下载高清 PNG,支持中文与 emoji。
This generator encodes URLs, plain text, email, phone, WiFi credentials and more into a QR code, with live preview and high-res PNG download, fully supporting Unicode and emoji.
你可以自定义容错等级(L/M/Q/H)、输出尺寸(256/512/1024)、边距以及前景/背景颜色。
Customize the error-correction level (L/M/Q/H), size (256/512/1024), margin and foreground/background colors.
所有编码在浏览器本地完成,内容不会上传到任何服务器。
Everything runs locally in your browser — nothing is uploaded.
容错等级越高,二维码受损后仍可识别的能力越强,但图案越密集。
Higher levels tolerate more damage but produce denser codes.
没有,完全免费且可无限次生成与下载。No — free and unlimited.
支持,内部采用 UTF-8 编码,中文与 emoji 均可正常识别。Yes, UTF-8 encoded, Chinese and emoji scan correctly.
不会,编码全程在浏览器本地进行,不经过服务器。No — encoding happens entirely on-device.
选择 512 或 1024 尺寸并保留适当边距,印刷清晰易扫。Use 512 or 1024 with a proper margin for crisp printed codes.