二维码生成器

从文本、URL 或任意数据生成二维码。可下载为 PNG 图片。免费使用，无需注册。

Content

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QR Code Preview

About QR Codes

QR (Quick Response) codes are two-dimensional barcodes that can store URLs, text, contact info, and more. They can be scanned by any smartphone camera. This tool generates QR codes with error correction for reliable scanning.

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使用方法

Enter the text or URL you want to encode
The QR code generates automatically
Download the QR code as a PNG image
Scan with any smartphone camera to verify

常见用途

Sharing URLs and links
Business cards and marketing materials
WiFi network sharing
Event tickets and check-in systems

常见问题

What is a QR code?

QR (Quick Response) code is a two-dimensional barcode that stores data like URLs, text, or contact info. It can be scanned by smartphones and QR readers.

What data can I encode?

You can encode any text: URLs, email addresses, phone numbers, WiFi credentials, plain text, and more.

Can I download the QR code?

Yes. Click the Download button to save the QR code as a PNG image that you can use in print or digital materials.