Security

RC4 Encryption and Decryption

Use RC4 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 (hex)
  • Initialization vector (hex)
  • Block cipher mode (CBC, ECB)
  • Input encoding (UTF-8, HEX, Base64)

Scope and limitations

For legacy data compatibility. Block ciphers use PKCS#7 padding and output ciphertext in hex.

Example input
Hello Toolbox
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