Caesar Cipher Shifter

Encrypt or decrypt text with a Caesar shift.

Shifted text Khoor

Formula: Each letter shifts by N positions, wrapping around

Step-by-step with your numbers:
1. Values used:
2. Shift = 3
3.
4. Shifted text = Khoor
Did we solve your problem today?

The Caesar cipher shifts each letter a fixed number of places in the alphabet.

The math behind it

Add the shift to each letter, wrapping Z back to A. To decrypt, use the negative shift (or 26 - shift).

Worked example

Hello shifted by 3 becomes Khoor.

FAQ

How do I decrypt?

Apply a shift of (26 - original shift).