Caesar / ROT Cipher

Rotate letters forward or backward through the alphabet. Try all 26 shifts when a geocaching message has an unknown key.

Ciphertext or plaintext

Letter shift (0–25)

Direction

Result

Brute force: all 26 shifts

Scan every possible decode. ROT13 corresponds to shift 13.

How it works

Caesar shifts replace A with another letter a fixed number of positions away. Case and punctuation are retained. If the message is in English, recognizable words usually reveal the correct shift.