二维码工具

二维码生成与解码器

Generate QR code PNGs and decode QR images locally in your browser without uploading payloads.

Generate QR

Create a PNG QR code from text, URLs, WiFi strings, or otpauth URIs.

Decode QR image

Choose an image and read the QR payload locally.

Decoded payload will appear here.

功能亮点

QR Generator

Create QR images from URLs, text, WiFi strings, otpauth URIs, and more.

PNG Download

Download generated codes as clean PNG assets.

Image Decoder

Decode QR payloads from local image files.

Browser Image Input

Works with image formats your browser can decode.

Copy Payloads

Copy source text or decoded content with one action.

Payload Privacy

Generation and decoding happen locally.

常见问题

Yes. Paste a valid WiFi string or otpauth URI and the generator will encode it as a QR code.

No. The image is decoded in the browser using canvas pixels.

Try a clearer image with the QR code fully visible and enough contrast.

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工具

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