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ROT13 Cipher

Run self-inverse ROT13 conversion and compare with codec behavior.

Classical Ciphers
Input

ROT13 Cipher

Apply the fixed 13-character rotation across alphabetic text.

  • ROT13 is also self-inverse.
  • This is useful for quick obfuscation and educational comparison.
  • The backend preserves case and punctuation.
Status
Waiting for input
Output

ROT13 result

Review the transformed text and copy the output you want to keep.

Output preview

The transformed text will appear here after processing.