Caesar Cipher

A substitution cipher where each letter is shifted by a fixed number of positions in the alphabet.

Input
3

Shift letters by 3 position(s)

Alphabet Mapping
Plain:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Cipher:
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A
B
C

Step-by-Step Transformation (Click any step for details)

1
HK
(7 + 3) mod 26 = 10
2
EH
(4 + 3) mod 26 = 7
3
LO
(11 + 3) mod 26 = 14
4
LO
(11 + 3) mod 26 = 14
5
OR
(14 + 3) mod 26 = 17
6
WZ
(22 + 3) mod 26 = 25
7
OR
(14 + 3) mod 26 = 17
8
RU
(17 + 3) mod 26 = 20
9
LO
(11 + 3) mod 26 = 14
10
DG
(3 + 3) mod 26 = 6
Output
HELLO WORLD
KHOOR ZRUOG