Caesar Cipher & ROT13
Encode and decode text with a letter shift.
13
About Caesar Cipher & ROT13
Shift each letter of your text by a chosen amount to encode or decode a Caesar cipher. Set the shift to 13 for classic ROT13, which is its own inverse.
- 1Type your text.
- 2Pick a shift amount (or ROT13).
- 3Copy the encoded/decoded text.
FAQ
What is ROT13?
A Caesar cipher with a shift of 13 — applying it twice returns the original text.