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ROT13 Substitution Alphabet
The complete ROT13 (13-letter Caesar shift) A–Z substitution reference for quick geocaching cipher checks.
| Plain letter | Substitute |
|---|---|
| A | N |
| B | O |
| C | P |
| D | Q |
| E | R |
| F | S |
| G | T |
| H | U |
| I | V |
| J | W |
| K | X |
| L | Y |
| M | Z |
| N | A |
| O | B |
| P | C |
| Q | D |
| R | E |
| S | F |
| T | G |
| U | H |
| V | I |
| W | J |
| X | K |
| Y | L |
| Z | M |
ROT13 applied twice restores the original text.
Example: CACHE → PNPUR.
Geocaching tip: Try this common substitution first when your puzzle contains normal-looking letter groups but no obvious keyword.