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二维码识别

上传图片识别并解析二维码内容。

Features

  • Scan QR codes instantly in real-time using your device's camera for immediate decoding.
  • Upload existing images or screenshots to easily extract QR code data from your photo gallery.
  • Decode multiple types of QR codes, including website URLs, plain text, Wi-Fi credentials, and contact details.
  • Access a completely free, web-based scanner that requires no software downloads or annoying sign-ups.
  • Ensure your privacy with a secure tool that processes all scans locally without storing your personal data.

How to Use

  1. Click the 'Start Camera' button to grant the web tool access to your device's camera.
  2. Aim your camera directly at the QR code until it is clearly focused within the scanning frame.
  3. Alternatively, select 'Upload Image' to choose a saved photo or screenshot containing a QR code.
  4. Wait a brief moment for the automatic scanner to detect and decode the hidden information.
  5. Click the displayed result link or copy the extracted text directly to your clipboard.

Frequently Asked Questions

How do I scan a QR code on my phone?

You can easily scan a QR code by navigating to this web tool on your mobile browser, allowing camera access, and pointing your lens at the code. The tool will instantly read the data without requiring a separate app.

Can I scan a QR code from a screenshot?

Yes, simply use the 'Upload Image' feature provided on the tool to select a screenshot from your device. The scanner will analyze the image file and extract the embedded link or text.

Is this online QR code reader free to use?

Absolutely, this web-based QR code scanner is completely free with no hidden charges or premium tiers. You can scan an unlimited number of codes without creating an account.

Does the QR scanner work without an internet connection?

While you need an internet connection to initially load the web tool, the actual scanning and decoding process happens locally in your browser. Your data is never uploaded to external servers.

What types of QR codes can this tool read?

Our reader can decode all standard QR code formats, including website URLs, plain text, email addresses, phone numbers, Wi-Fi network passwords, and digital vCards.