QR Code Reader

Online QR code scanning and parsing tool supporting image upload scanning and real-time camera scanning to quickly extract text, links, and other information from QR codes.

Key Features

Multiple Scanning Methods

Supports two scanning modes:

• Image Upload: Supports local image files, automatically recognizes QR codes in images
• Camera Scanning: Calls device camera for real-time scanning and quick recognition

Instant Parsing

Instantly extracts QR code content after upload or scan, without waiting.

Privacy Protection

All image processing and QR code recognition completed locally in browser; no images or data uploaded to server, complete privacy protection.

Multi-Camera Support

Automatically detects all available cameras on device (front, rear, external); users can select most suitable camera for scanning.

How to Use

Image Scanning

1. Click upload area or drag and drop image file
2. Supports common image formats like JPG, PNG, WEBP
3. System automatically recognizes and extracts QR code content
4. Results display in "Results" panel, one-click copy available

Camera Scanning

1. Select camera (if multiple devices available)
2. Click "Scan" button to activate camera
3. Point QR code at camera view center
4. After successful recognition, automatically extracts content and stops scanning
5. Click "Stop" button to manually close camera

Use Cases

• Link Extraction: Obtain URLs from posters, flyers, product packaging
• Text Recognition: Read text information in QR codes
• WiFi Connection: Scan WiFi QR codes to obtain network configuration
• Contact Information: Extract contact information in vCard format
• Payment Information: Recognize account information in payment codes
• Ticket Verification: Read information in electronic tickets, admission tickets, vouchers

Notes

Recognition runs locally in your browser. Camera scanning analyzes the live view in real time, and image scanning supports a wide range of sizes and resolutions.

Important Notes

• Camera function requires browser permission; please allow camera access when first using
• When image scanning, ensure QR code is clear and visible, avoiding blur, glare, or obstruction
• When camera scanning, keep QR code at moderate distance from lens (10-30cm), ensuring clear focus
• Insufficient or excessive light may affect recognition success rate
• Some browsers may not support camera scanning; try a modern browser like Chrome, Firefox, or Edge
• Remember to click "Stop" after scanning to release camera resources

FAQ

Why can't camera activate$1

Possible reasons:

1. Browser has not granted camera permission; please allow in browser settings
2. Camera occupied by other applications; close other programs using camera
3. Using an older browser that doesn’t support camera scanning
4. Some browsers only allow camera access on secure (HTTPS) sites

Cannot recognize QR code in uploaded image$2

Check following:

1. Is QR code in image clear and complete
2. Is image resolution too low
3. Is QR code cropped or deformed
4. Is it standard QR Code format (some custom codes or barcodes not supported)

Recognition result is garbled$3

May be QR code encoding format issue. Standard QR codes should use UTF-8 encoding; some old generation tools may use other encodings causing display abnormalities.

Does it support other types of codes$4

Currently only supports standard QR Code; does not support DataMatrix, PDF417, Aztec Code, or other formats.