Utilora

Free AES Encrypt & Decrypt Online

Encrypt and decrypt text with AES-256-GCM using a passphrase. All processing done securely in your browser.

How to use

  1. 1

    Enter your passphrase

    Choose a strong passphrase.

  2. 2

    Enter your text

    Type plaintext to encrypt, or ciphertext to decrypt.

  3. 3

    Get result

    Copy the encrypted ciphertext or decrypted plaintext.

Why use this tool?

  • AES-256-GCM encryption - the same standard used by the NSA
  • Runs entirely in your browser - nothing leaves your device
  • Uses PBKDF2 with 100k iterations for secure key derivation

Frequently asked questions

Is this secure?
Yes. AES-GCM-256 is a government-grade cipher. Security depends on your passphrase strength.
How do I share encrypted text?
Send the ciphertext to your recipient, then share the passphrase through a different channel.

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