QRコードリーダー
QRコードを含む画像をアップロードして内容をデコードします。URL、テキスト、WiFi認証情報、連絡先などをサポート。
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 - 技術的な詳細
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.
コマンドラインでの代替方法
# Decode QR code with zbarimg\nzbarimg qr.png\n\n# Or with qr-tools\nzbarimg --raw qr.png