XOR Text Cipher & Decrypter

Perform bitwise XOR encryption and decryption on text using a repeating secret key with text-to-hex and hex-to-text modes.

How It Works & Processing Standards

Perform bitwise XOR encryption and decryption on text using a repeating secret key with text-to-hex and hex-to-text modes.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 2,000,000 characters

XOR Text Cipher & Decrypter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use XOR Text Cipher & Decrypter

  1. 1
    Input Text & KeyEnter the text payload and your secret key.
  2. 2
    Select DirectionChoose Text to Hex (encoding) or Hex to Text (decoding).
  3. 3
    Copy ResultCopy the resulting XOR output.

Common Use Cases

  • Computer science education, basic stream cipher demonstrations, and reverse engineering analysis
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