Secure QR Code Encryption Tool

A Python-based desktop application that allows users to securely encrypt sensitive text, generate QR codes from encrypted data, and decrypt it back using a secret key.
This project demonstrates practical encryption, secure data handling, and QR-based data storage using a clean and modern GUI.

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🔐 Features

• Encrypt plain text using Fernet symmetric encryption
• Generate QR codes containing encrypted data
• Securely save generated QR codes as images
• Import and scan QR codes to extract encrypted content
• Decrypt QR data using the correct encryption key
• Modern and responsive GUI built with CustomTkinter

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🛠️ Technologies Used

• Python
• CustomTkinter (Modern GUI)
• cryptography (Fernet encryption)
• qrcode
• OpenCV (QR decoding)
• Pillow (Image handling)

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🚀 How It Works

1. Enter plain text into the application.
2. The app generates a secure encryption key.
3. The text is encrypted and converted into a QR code.
4. The QR code can be saved or shared securely.
5. Import the QR code and provide the correct key to decrypt and restore the original text.

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👩‍💻 Author

Esraa Codes

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