Caesar & Vigenère Cipher
v1.0.0Encrypt and decrypt text with classical substitution ciphers — Caesar, Vigenère, ROT13, Atbash, and Affine — with brute-force and frequency analysis.
3
A↓D
B↓E
C↓F
D↓G
E↓H
F↓I
G↓J
H↓K
I↓L
J↓M
K↓N
L↓O
M↓P
N↓Q
O↓R
P↓S
Q↓T
R↓U
S↓V
T↓W
U↓X
V↓Y
W↓Z
X↓A
Y↓B
Z↓C
Input
Output
Result will appear here…