Data Encryption Tool

What This Tool Does:
Securely encrypts and decrypts sensitive text using AES-256 encryption, the industry standard for data protection.

How to Use:

1. Enter Your Data
   • Paste sensitive text in the input box
   • Create a strong secret key (passphrase)
   • Never share your secret key!
2. Choose Operation
   • Click Encrypt to scramble your data
   • Click Decrypt to recover original text (with correct key)
   • Press Enter after typing key for quick encryption
3. Manage Results
   • Encrypted/decrypted text appears below
   • Click Copy to save to clipboard
   • Mobile-friendly design works on all devices

Key Features:
✔ Military-grade AES-256 encryption
✔ Client-side processing (data never leaves your browser)
✔ Clean, intuitive interface
✔ Copy results with one click
✔ Responsive design for all screen sizes

Security Best Practices:
• Use different keys for different data
• Store keys separately from encrypted data
• For maximum security, rotate keys periodically

Troubleshooting:
⚠ Decryption fails? Double-check:

• Exact same key used for encryption
• No extra spaces in key or text
• Full encrypted text was copied