Caesar Cipher & ROT13

Shift letters by a fixed amount — encode, decode, or brute-force all 25 shifts

Shift 3

Result

About

  • • Only letters are shifted; digits, spaces and punctuation pass through unchanged
  • ROT13 is a Caesar cipher with shift 13 — applying it twice returns the original
  • • This is a classic puzzle cipher, not real encryption — don't use it to protect anything
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