Security

AES Encryption and Decryption

Use AES Encryption and Decryption online for free. Adjust the available options and process your data locally in your browser, with no installation or sign-up.

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Your data is processed only in your browser

Features and usage

Enter your content or choose the options above, then review the result. Tool calculations run locally in your browser.

Available options

  • Operation (Encode, Decode)
  • Key in hex (16/24/32 bytes)
  • IV in hex (GCM: 12 bytes; CBC: 16 bytes)
  • Mode (GCM, CBC)
  • Input encoding (UTF-8, HEX, Base64)

Scope and limitations

GCM output includes a 16-byte authentication tag. Use a new IV for every message you encrypt.

Example input
Hello Toolbox
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