Secure Notes - AES-256 Encryption/Decryption (Offline)

Encrypt and decrypt text using AES-256 encryption. 100% client-side - your password never leaves your device.

Enter text to encrypt:

Encryption password:

Confirm password:

Enter encrypted text:

Decryption password:

About this tool

This tool uses AES-256-GCM encryption, one of the most secure encryption standards available. Your text is encrypted directly in your browser using the Web Crypto API. Your password and data never leave your device.

How to use

Encrypt: Enter your text, create a strong password, and click "Encrypt Text"
Decrypt: Paste the encrypted text, enter the same password, and click "Decrypt Text"
You can download encrypted files and upload them later for decryption

Security Features

✅ AES-256-GCM encryption (military-grade)
✅ PBKDF2 key derivation with 100,000 iterations
✅ Random salt for each encryption
✅ 100% client-side processing
✅ No data sent to any server

⚠️ Important: Keep your password safe! If you lose it, there's no way to recover your encrypted data.

🔐 Secure Notes / Encryption

Encrypted Result:

Decrypted Result:

About this tool

How to use

Security Features