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DevTools24

QR Code Reader

Upload an image containing a QR code to decode its contents. Supports URLs, text, WiFi credentials, contacts, and more.

Upload an image containing a QR code

JPEG, PNG, GIF, WebP

Supported QR Code Types

  • URL: Website links
  • WiFi: Network credentials (SSID, password, security type)
  • vCard: Contact information
  • Email/SMS/Phone: Communication shortcuts
  • Text: Plain text content

QR Codes - Technical Details

QR (Quick Response) codes are 2D barcodes that can store various types of data including URLs, text, WiFi credentials, contact information, and more. They were invented in 1994 by Denso Wave and are now ubiquitous for quick data sharing.

Command-line Alternative

# Decode QR code with zbarimg\nzbarimg qr.png\n\n# Or with qr-tools\nzbarimg --raw qr.png

Reference

View Official Specification